Weather.gov website screenshot

Weather.gov

Weather.gov is the official website of the National Weather Service (NWS), operated by NOAA within the US Department of Commerce. The NWS provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters, and ocean areas. The Weather.gov API provides free, open access to forecasts, alerts, observations, radar data, aviation weather, and geographic zone information across all 50 states and territories.

Weather.gov publishes 13 APIs on the APIs.io network, including Alerts API, Aviation API, Glossary API, and 10 more. Tagged areas include Weather, Government, United States, Forecasting, and Alerts.

The Weather.gov catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Weather.gov’s developer surface includes authentication, documentation, API reference, developer portal, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
47.8/100 developing ▼ -5.1 Agent 34/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
13 APIs 8 Features 5 Use Cases
WeatherGovernmentUnited StatesForecastingAlertsOpen Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 47.8/100 · developing
Contract Quality 16.1 / 25
Developer Ergonomics 7.0 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 8.3 / 12
Discoverability 7.4 / 10
Agent readiness — 34/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/weather-gov: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 13

Individual APIs this provider publishes, each with its own machine-readable definition.

Weather.gov Alerts API

The Alerts API from Weather.gov — 8 operation(s) for alerts.

Weather.gov Aviation API

The Aviation API from Weather.gov — 7 operation(s) for aviation.

Weather.gov Glossary API

The Glossary API from Weather.gov — 1 operation(s) for glossary.

Weather.gov Gridpoints API

The Gridpoints API from Weather.gov — 4 operation(s) for gridpoints.

Weather.gov Icons API

The Icons API from Weather.gov — 3 operation(s) for icons.

Weather.gov Offices API

The Offices API from Weather.gov — 8 operation(s) for offices.

Weather.gov Points API

The Points API from Weather.gov — 3 operation(s) for points.

Weather.gov Products API

The Products API from Weather.gov — 9 operation(s) for products.

Weather.gov Radar API

The Radar API from Weather.gov — 7 operation(s) for radar.

Weather.gov Radio API

The Radio API from Weather.gov — 1 operation(s) for radio.

Weather.gov Stations API

The Stations API from Weather.gov — 7 operation(s) for stations.

Weather.gov Thumbnails API

The Thumbnails API from Weather.gov — 1 operation(s) for thumbnails.

Weather.gov Zones API

The Zones API from Weather.gov — 6 operation(s) for zones.

Scroll for all 13

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

weather.gov API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Weather Gov Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Weather Gov Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Weather Gov Finops

FINOPS

Features 8

Notable capabilities this provider offers.

Free and Open

No API key required (only a User-Agent header); completely free for any use.

Forecast Gridpoints

12-hour and hourly forecasts for 2.5km grid cells across the US.

Real-Time Alerts

Live weather alerts and warnings including active counts by area, zone, and region.

Observation Data

Latest and historical observations from thousands of weather stations across the US.

Radar Data

Radar station metadata, alarms, queues, and wind profiler data.

Aviation Weather

SIGMETs, AIRMETs, Center Weather Advisories, and Terminal Aerodrome Forecasts for pilots.

GeoJSON Responses

All responses return GeoJSON or JSON-LD by default, suitable for mapping and linked data.

Multiple Output Formats

Supports GeoJSON, JSON-LD, DWML, OXML, CAP, and ATOM formats.

Scroll for all 8

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Weather Gov Context

42 classes · 181 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Weather.gov API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Weather.gov API Rules

29 rules · 8 errors 16 warnings 5 info

SPECTRAL

JSON Schema 107

Standalone JSON Schema definitions for this provider's data models.

AlertAtomEntry

19 properties

JSON SCHEMA

AlertAtomFeed

6 properties

JSON SCHEMA

AlertCap

0 properties

JSON SCHEMA

AlertCertainty

0 properties

JSON SCHEMA

AlertCollectionGeoJson

0 properties

JSON SCHEMA

AlertCollectionJsonLd

0 properties

JSON SCHEMA

AlertCollection

3 properties

JSON SCHEMA

AlertGeoJson

0 properties

JSON SCHEMA

AlertId

0 properties

JSON SCHEMA

AlertJsonLd

1 properties

JSON SCHEMA

AlertMessageType

0 properties

JSON SCHEMA

Alert

30 properties

JSON SCHEMA

AlertSeverity

0 properties

JSON SCHEMA

AlertStatus

0 properties

JSON SCHEMA

AlertUrgency

0 properties

JSON SCHEMA

AlertXMLParameter

2 properties

JSON SCHEMA

AreaCode

0 properties

JSON SCHEMA

AstronomicalData

9 properties

JSON SCHEMA

ATSUIdentifier

0 properties

JSON SCHEMA

BinaryFile

0 properties

JSON SCHEMA

CenterWeatherAdvisoryCollectionGeoJson

0 properties

JSON SCHEMA

CenterWeatherAdvisoryGeoJson

0 properties

JSON SCHEMA

CenterWeatherAdvisory

8 properties

JSON SCHEMA

CenterWeatherServiceUnitJsonLd

0 properties

JSON SCHEMA

Date

0 properties

JSON SCHEMA

GeoJsonBoundingBox

0 properties

JSON SCHEMA

GeoJsonCoordinate

0 properties

JSON SCHEMA

GeoJsonFeatureCollection

3 properties

JSON SCHEMA

GeoJsonFeature

5 properties

JSON SCHEMA

GeoJsonGeometry

0 properties

JSON SCHEMA

GeoJsonLineString

0 properties

JSON SCHEMA

GeoJsonPolygon

0 properties

JSON SCHEMA

GeometryString

0 properties

JSON SCHEMA

GridpointForecastUnits

0 properties

JSON SCHEMA

GridpointGeoJson

0 properties

JSON SCHEMA

GridpointHourlyForecastGeoJson

0 properties

JSON SCHEMA

GridpointHourlyForecastJsonLd

0 properties

JSON SCHEMA

GridpointHourlyForecastPeriod

17 properties

JSON SCHEMA

GridpointHourlyForecast

9 properties

JSON SCHEMA

GridpointJsonLd

0 properties

JSON SCHEMA

GridpointQuantitativeValueLayer

2 properties

JSON SCHEMA

Gridpoint

13 properties

JSON SCHEMA

Gridpoint12hForecastGeoJson

0 properties

JSON SCHEMA

Gridpoint12hForecastJsonLd

0 properties

JSON SCHEMA

Gridpoint12hForecastPeriod

15 properties

JSON SCHEMA

Gridpoint12hForecast

9 properties

JSON SCHEMA

ISO8601Duration

0 properties

JSON SCHEMA

ISO8601Interval

0 properties

JSON SCHEMA

JsonLdContext

0 properties

JSON SCHEMA

LandRegionCode

0 properties

JSON SCHEMA

MarineAreaCode

0 properties

JSON SCHEMA

MarineRegionCode

0 properties

JSON SCHEMA

MetarPhenomenon

5 properties

JSON SCHEMA

MetarSkyCoverage

0 properties

JSON SCHEMA

NWSCenterWeatherServiceUnitId

0 properties

JSON SCHEMA

NWSConnectDocumentMetadata

8 properties

JSON SCHEMA

NWSForecastOfficeId

0 properties

JSON SCHEMA

NWSNationalHQId

0 properties

JSON SCHEMA

NWSOfficeId

0 properties

JSON SCHEMA

NWSRegionalHQId

0 properties

JSON SCHEMA

NWSZoneID

0 properties

JSON SCHEMA

NWSZoneType

0 properties

JSON SCHEMA

ObservationCollectionGeoJson

0 properties

JSON SCHEMA

ObservationCollectionJsonLd

3 properties

JSON SCHEMA

ObservationGeoJson

0 properties

JSON SCHEMA

ObservationJsonLd

0 properties

JSON SCHEMA

Observation

30 properties

JSON SCHEMA

ObservationStationCollectionGeoJson

0 properties

JSON SCHEMA

ObservationStationCollectionJsonLd

4 properties

JSON SCHEMA

ObservationStationGeoJson

0 properties

JSON SCHEMA

ObservationStationJsonLd

0 properties

JSON SCHEMA

ObservationStation

15 properties

JSON SCHEMA

OfficeBriefing

0 properties

JSON SCHEMA

OfficeHeadlineCollection

2 properties

JSON SCHEMA

OfficeHeadline

11 properties

JSON SCHEMA

Office

16 properties

JSON SCHEMA

OfficeWeatherStoryCollection

0 properties

JSON SCHEMA

OfficeWeatherStory

0 properties

JSON SCHEMA

PaginationInfo

1 properties

JSON SCHEMA

PointGeoJson

0 properties

JSON SCHEMA

PointJsonLd

0 properties

JSON SCHEMA

Point

22 properties

JSON SCHEMA

PointString

0 properties

JSON SCHEMA

QuantitativeValue

5 properties

JSON SCHEMA

RegionCode

0 properties

JSON SCHEMA

RelativeLocationGeoJson

0 properties

JSON SCHEMA

RelativeLocationJsonLd

0 properties

JSON SCHEMA

RelativeLocation

4 properties

JSON SCHEMA

SigmetCollectionGeoJson

0 properties

JSON SCHEMA

SigmetGeoJson

0 properties

JSON SCHEMA

Sigmet

8 properties

JSON SCHEMA

SigmetSequenceNumber

0 properties

JSON SCHEMA

StateTerritoryCode

0 properties

JSON SCHEMA

TextProductCollection

2 properties

JSON SCHEMA

TextProductLocationCollection

2 properties

JSON SCHEMA

TextProduct

9 properties

JSON SCHEMA

TextProductTypeCollection

2 properties

JSON SCHEMA

Time

0 properties

JSON SCHEMA

UnitOfMeasure

0 properties

JSON SCHEMA

ZoneCollectionGeoJson

0 properties

JSON SCHEMA

ZoneCollectionJsonLd

2 properties

JSON SCHEMA

ZoneForecastGeoJson

0 properties

JSON SCHEMA

ZoneForecastJsonLd

0 properties

JSON SCHEMA

ZoneForecast

5 properties

JSON SCHEMA

ZoneGeoJson

0 properties

JSON SCHEMA

ZoneJsonLd

0 properties

JSON SCHEMA

Zone

18 properties

JSON SCHEMA

Scroll for all 107

JSON Structure 107

JSON Structure definitions describing this provider's data shapes.

Weather Gov Alert Atom Entry Structure

19 properties

JSON STRUCTURE

Weather Gov Alert Atom Feed Structure

6 properties

JSON STRUCTURE

Weather Gov Alert Cap Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Certainty Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Collection Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Collection Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Collection Structure

3 properties

JSON STRUCTURE

Weather Gov Alert Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Id Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Json Ld Structure

1 properties

JSON STRUCTURE

Weather Gov Alert Message Type Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Severity Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Status Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Structure

30 properties

JSON STRUCTURE

Weather Gov Alert Urgency Structure

0 properties

JSON STRUCTURE

Weather Gov Alert Xml Parameter Structure

2 properties

JSON STRUCTURE

Weather Gov Area Code Structure

0 properties

JSON STRUCTURE

Weather Gov Astronomical Data Structure

9 properties

JSON STRUCTURE

Weather Gov Atsu Identifier Structure

0 properties

JSON STRUCTURE

Weather Gov Binary File Structure

0 properties

JSON STRUCTURE

Weather Gov Center Weather Advisory Collection Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Center Weather Advisory Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Center Weather Advisory Structure

8 properties

JSON STRUCTURE

Weather Gov Center Weather Service Unit Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Date Structure

0 properties

JSON STRUCTURE

Weather Gov Geo Json Bounding Box Structure

0 properties

JSON STRUCTURE

Weather Gov Geo Json Coordinate Structure

0 properties

JSON STRUCTURE

Weather Gov Geo Json Feature Collection Structure

3 properties

JSON STRUCTURE

Weather Gov Geo Json Feature Structure

5 properties

JSON STRUCTURE

Weather Gov Geo Json Geometry Structure

0 properties

JSON STRUCTURE

Weather Gov Geo Json Line String Structure

0 properties

JSON STRUCTURE

Weather Gov Geo Json Polygon Structure

0 properties

JSON STRUCTURE

Weather Gov Geometry String Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint Forecast Units Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint Hourly Forecast Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint Hourly Forecast Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint Hourly Forecast Period Structure

17 properties

JSON STRUCTURE

Weather Gov Gridpoint Hourly Forecast Structure

9 properties

JSON STRUCTURE

Weather Gov Gridpoint Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint Quantitative Value Layer Structure

2 properties

JSON STRUCTURE

Weather Gov Gridpoint Structure

13 properties

JSON STRUCTURE

Weather Gov Gridpoint12H Forecast Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint12H Forecast Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Gridpoint12H Forecast Period Structure

15 properties

JSON STRUCTURE

Weather Gov Gridpoint12H Forecast Structure

9 properties

JSON STRUCTURE

Weather Gov Iso8601 Duration Structure

0 properties

JSON STRUCTURE

Weather Gov Iso8601 Interval Structure

0 properties

JSON STRUCTURE

Weather Gov Json Ld Context Structure

0 properties

JSON STRUCTURE

Weather Gov Land Region Code Structure

0 properties

JSON STRUCTURE

Weather Gov Marine Area Code Structure

0 properties

JSON STRUCTURE

Weather Gov Marine Region Code Structure

0 properties

JSON STRUCTURE

Weather Gov Metar Phenomenon Structure

5 properties

JSON STRUCTURE

Weather Gov Metar Sky Coverage Structure

0 properties

JSON STRUCTURE

Weather Gov Nws Center Weather Service Unit Id Structure

0 properties

JSON STRUCTURE

Weather Gov Nws Connect Document Metadata Structure

8 properties

JSON STRUCTURE

Weather Gov Nws Forecast Office Id Structure

0 properties

JSON STRUCTURE

Weather Gov Nws National Hq Id Structure

0 properties

JSON STRUCTURE

Weather Gov Nws Office Id Structure

0 properties

JSON STRUCTURE

Weather Gov Nws Regional Hq Id Structure

0 properties

JSON STRUCTURE

Weather Gov Nws Zone Id Structure

0 properties

JSON STRUCTURE

Weather Gov Nws Zone Type Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Collection Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Collection Json Ld Structure

3 properties

JSON STRUCTURE

Weather Gov Observation Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Station Collection Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Station Collection Json Ld Structure

4 properties

JSON STRUCTURE

Weather Gov Observation Station Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Station Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Observation Station Structure

15 properties

JSON STRUCTURE

Weather Gov Observation Structure

30 properties

JSON STRUCTURE

Weather Gov Office Briefing Structure

0 properties

JSON STRUCTURE

Weather Gov Office Headline Collection Structure

2 properties

JSON STRUCTURE

Weather Gov Office Headline Structure

11 properties

JSON STRUCTURE

Weather Gov Office Structure

16 properties

JSON STRUCTURE

Weather Gov Office Weather Story Collection Structure

0 properties

JSON STRUCTURE

Weather Gov Office Weather Story Structure

0 properties

JSON STRUCTURE

Weather Gov Pagination Info Structure

1 properties

JSON STRUCTURE

Weather Gov Point Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Point Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Point String Structure

0 properties

JSON STRUCTURE

Weather Gov Point Structure

22 properties

JSON STRUCTURE

Weather Gov Quantitative Value Structure

5 properties

JSON STRUCTURE

Weather Gov Region Code Structure

0 properties

JSON STRUCTURE

Weather Gov Relative Location Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Relative Location Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Relative Location Structure

4 properties

JSON STRUCTURE

Weather Gov Sigmet Collection Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Sigmet Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Sigmet Sequence Number Structure

0 properties

JSON STRUCTURE

Weather Gov Sigmet Structure

8 properties

JSON STRUCTURE

Weather Gov State Territory Code Structure

0 properties

JSON STRUCTURE

Weather Gov Text Product Collection Structure

2 properties

JSON STRUCTURE

Weather Gov Text Product Location Collection Structure

2 properties

JSON STRUCTURE

Weather Gov Text Product Structure

9 properties

JSON STRUCTURE

Weather Gov Text Product Type Collection Structure

2 properties

JSON STRUCTURE

Weather Gov Time Structure

0 properties

JSON STRUCTURE

Weather Gov Unit Of Measure Structure

0 properties

JSON STRUCTURE

Weather Gov Zone Collection Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Zone Collection Json Ld Structure

2 properties

JSON STRUCTURE

Weather Gov Zone Forecast Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Zone Forecast Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Zone Forecast Structure

5 properties

JSON STRUCTURE

Weather Gov Zone Geo Json Structure

0 properties

JSON STRUCTURE

Weather Gov Zone Json Ld Structure

0 properties

JSON STRUCTURE

Weather Gov Zone Structure

18 properties

JSON STRUCTURE

Scroll for all 107

Examples 107

Example request and response payloads for these APIs.

Weather Gov Alert Atom Entry Example

19 fields

EXAMPLE

Weather Gov Alert Atom Feed Example

6 fields

EXAMPLE

Weather Gov Alert Cap Example

0 fields

EXAMPLE

Weather Gov Alert Certainty Example

0 fields

EXAMPLE

Weather Gov Alert Collection Example

2 fields

EXAMPLE

Weather Gov Alert Collection Geo Json Example

0 fields

EXAMPLE

Weather Gov Alert Collection Json Ld Example

0 fields

EXAMPLE

Weather Gov Alert Example

19 fields

EXAMPLE

Weather Gov Alert Geo Json Example

0 fields

EXAMPLE

Weather Gov Alert Id Example

0 fields

EXAMPLE

Weather Gov Alert Json Ld Example

1 fields

EXAMPLE

Weather Gov Alert Message Type Example

0 fields

EXAMPLE

Weather Gov Alert Severity Example

0 fields

EXAMPLE

Weather Gov Alert Status Example

0 fields

EXAMPLE

Weather Gov Alert Urgency Example

0 fields

EXAMPLE

Weather Gov Alert Xml Parameter Example

2 fields

EXAMPLE

Weather Gov Area Code Example

0 fields

EXAMPLE

Weather Gov Astronomical Data Example

9 fields

EXAMPLE

Weather Gov Atsu Identifier Example

0 fields

EXAMPLE

Weather Gov Binary File Example

0 fields

EXAMPLE

Weather Gov Center Weather Advisory Collection Geo Json Example

0 fields

EXAMPLE

Weather Gov Center Weather Advisory Example

7 fields

EXAMPLE

Weather Gov Center Weather Advisory Geo Json Example

0 fields

EXAMPLE

Weather Gov Center Weather Service Unit Json Ld Example

0 fields

EXAMPLE

Weather Gov Date Example

0 fields

EXAMPLE

Weather Gov Geo Json Bounding Box Example

0 fields

EXAMPLE

Weather Gov Geo Json Coordinate Example

0 fields

EXAMPLE

Weather Gov Geo Json Feature Collection Example

2 fields

EXAMPLE

Weather Gov Geo Json Feature Example

3 fields

EXAMPLE

Weather Gov Geo Json Geometry Example

0 fields

EXAMPLE

Weather Gov Geo Json Line String Example

0 fields

EXAMPLE

Weather Gov Geo Json Polygon Example

0 fields

EXAMPLE

Weather Gov Geometry String Example

0 fields

EXAMPLE

Weather Gov Gridpoint Example

9 fields

EXAMPLE

Weather Gov Gridpoint Forecast Units Example

0 fields

EXAMPLE

Weather Gov Gridpoint Geo Json Example

0 fields

EXAMPLE

Weather Gov Gridpoint Hourly Forecast Example

4 fields

EXAMPLE

Weather Gov Gridpoint Hourly Forecast Geo Json Example

0 fields

EXAMPLE

Weather Gov Gridpoint Hourly Forecast Json Ld Example

0 fields

EXAMPLE

Weather Gov Gridpoint Hourly Forecast Period Example

11 fields

EXAMPLE

Weather Gov Gridpoint Json Ld Example

0 fields

EXAMPLE

Weather Gov Gridpoint Quantitative Value Layer Example

1 fields

EXAMPLE

Weather Gov Gridpoint12H Forecast Example

4 fields

EXAMPLE

Weather Gov Gridpoint12H Forecast Geo Json Example

0 fields

EXAMPLE

Weather Gov Gridpoint12H Forecast Json Ld Example

0 fields

EXAMPLE

Weather Gov Gridpoint12H Forecast Period Example

11 fields

EXAMPLE

Weather Gov Iso8601 Duration Example

0 fields

EXAMPLE

Weather Gov Iso8601 Interval Example

0 fields

EXAMPLE

Weather Gov Json Ld Context Example

0 fields

EXAMPLE

Weather Gov Land Region Code Example

0 fields

EXAMPLE

Weather Gov Marine Area Code Example

0 fields

EXAMPLE

Weather Gov Marine Region Code Example

0 fields

EXAMPLE

Weather Gov Metar Phenomenon Example

5 fields

EXAMPLE

Weather Gov Metar Sky Coverage Example

0 fields

EXAMPLE

Weather Gov Nws Center Weather Service Unit Id Example

0 fields

EXAMPLE

Weather Gov Nws Connect Document Metadata Example

8 fields

EXAMPLE

Weather Gov Nws Forecast Office Id Example

0 fields

EXAMPLE

Weather Gov Nws National Hq Id Example

0 fields

EXAMPLE

Weather Gov Nws Office Id Example

0 fields

EXAMPLE

Weather Gov Nws Regional Hq Id Example

0 fields

EXAMPLE

Weather Gov Nws Zone Id Example

0 fields

EXAMPLE

Weather Gov Nws Zone Type Example

0 fields

EXAMPLE

Weather Gov Observation Collection Geo Json Example

0 fields

EXAMPLE

Weather Gov Observation Collection Json Ld Example

1 fields

EXAMPLE

Weather Gov Observation Example

9 fields

EXAMPLE

Weather Gov Observation Geo Json Example

0 fields

EXAMPLE

Weather Gov Observation Json Ld Example

0 fields

EXAMPLE

Weather Gov Observation Station Collection Geo Json Example

0 fields

EXAMPLE

Weather Gov Observation Station Collection Json Ld Example

2 fields

EXAMPLE

Weather Gov Observation Station Example

10 fields

EXAMPLE

Weather Gov Observation Station Geo Json Example

0 fields

EXAMPLE

Weather Gov Observation Station Json Ld Example

0 fields

EXAMPLE

Weather Gov Office Briefing Example

0 fields

EXAMPLE

Weather Gov Office Example

15 fields

EXAMPLE

Weather Gov Office Headline Collection Example

1 fields

EXAMPLE

Weather Gov Office Headline Example

9 fields

EXAMPLE

Weather Gov Office Weather Story Collection Example

0 fields

EXAMPLE

Weather Gov Office Weather Story Example

0 fields

EXAMPLE

Weather Gov Pagination Info Example

1 fields

EXAMPLE

Weather Gov Point Example

16 fields

EXAMPLE

Weather Gov Point Geo Json Example

0 fields

EXAMPLE

Weather Gov Point Json Ld Example

0 fields

EXAMPLE

Weather Gov Point String Example

0 fields

EXAMPLE

Weather Gov Quantitative Value Example

3 fields

EXAMPLE

Weather Gov Region Code Example

0 fields

EXAMPLE

Weather Gov Relative Location Example

2 fields

EXAMPLE

Weather Gov Relative Location Geo Json Example

0 fields

EXAMPLE

Weather Gov Relative Location Json Ld Example

0 fields

EXAMPLE

Weather Gov Sigmet Collection Geo Json Example

0 fields

EXAMPLE

Weather Gov Sigmet Example

4 fields

EXAMPLE

Weather Gov Sigmet Geo Json Example

0 fields

EXAMPLE

Weather Gov Sigmet Sequence Number Example

0 fields

EXAMPLE

Weather Gov State Territory Code Example

0 fields

EXAMPLE

Weather Gov Text Product Collection Example

1 fields

EXAMPLE

Weather Gov Text Product Example

8 fields

EXAMPLE

Weather Gov Text Product Location Collection Example

1 fields

EXAMPLE

Weather Gov Text Product Type Collection Example

1 fields

EXAMPLE

Weather Gov Time Example

0 fields

EXAMPLE

Weather Gov Unit Of Measure Example

0 fields

EXAMPLE

Weather Gov Zone Collection Geo Json Example

0 fields

EXAMPLE

Weather Gov Zone Collection Json Ld Example

1 fields

EXAMPLE

Weather Gov Zone Example

12 fields

EXAMPLE

Weather Gov Zone Forecast Example

3 fields

EXAMPLE

Weather Gov Zone Forecast Geo Json Example

0 fields

EXAMPLE

Weather Gov Zone Forecast Json Ld Example

0 fields

EXAMPLE

Weather Gov Zone Geo Json Example

0 fields

EXAMPLE

Weather Gov Zone Json Ld Example

0 fields

EXAMPLE

Scroll for all 107

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Weather Gov Authentication

apiKey · 2 schemes

SECURITY

Weather Gov Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Weather Gov Agentic Access

65 operations

65 operations · 0 acting

AGENTIC

Use Cases 5

What developers build with this provider.

Emergency Management

Monitor active weather alerts and warnings for emergency response and public safety decisions.

Application Development

Integrate NWS weather data into mobile apps, websites, and IoT devices.

Aviation Planning

Access SIGMETs, AIRMETs, and TAFs for flight planning and aviation safety.

Agricultural Monitoring

Use zone forecasts and observation data for crop management and agricultural planning.

Research and Education

Access historical observation data and forecast products for climate research and educational purposes.

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

SpectralRules
SpectralRules
 Vocabulary
Vocabulary

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubRepository
GitHubRepository

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

Contact
Contact

Company 1

The organization behind the API

LinkedIn
LinkedIn

Other 1

Properties that don't map to a standard resource type

Glossary
Glossary

Source (apis.yml)

apis.yml Raw ↑ 
aid: weather-gov
url: https://raw.githubusercontent.com/api-evangelist/weather-gov/refs/heads/main/apis.yml
apis:
- aid: weather-gov:weather-gov-alerts-api
  name: Weather.gov Alerts API
  description: The Alerts API from Weather.gov — 8 operation(s) for alerts.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Alerts
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-alerts-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-aviation-api
  name: Weather.gov Aviation API
  description: The Aviation API from Weather.gov — 7 operation(s) for aviation.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Aviation
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-aviation-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-glossary-api
  name: Weather.gov Glossary API
  description: The Glossary API from Weather.gov — 1 operation(s) for glossary.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Glossary
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-glossary-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-gridpoints-api
  name: Weather.gov Gridpoints API
  description: The Gridpoints API from Weather.gov — 4 operation(s) for gridpoints.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Gridpoints
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-gridpoints-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-icons-api
  name: Weather.gov Icons API
  description: The Icons API from Weather.gov — 3 operation(s) for icons.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Icons
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-icons-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-offices-api
  name: Weather.gov Offices API
  description: The Offices API from Weather.gov — 8 operation(s) for offices.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Offices
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-offices-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-points-api
  name: Weather.gov Points API
  description: The Points API from Weather.gov — 3 operation(s) for points.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Points
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-points-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-products-api
  name: Weather.gov Products API
  description: The Products API from Weather.gov — 9 operation(s) for products.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Products
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-products-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-radar-api
  name: Weather.gov Radar API
  description: The Radar API from Weather.gov — 7 operation(s) for radar.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Radar
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-radar-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-radio-api
  name: Weather.gov Radio API
  description: The Radio API from Weather.gov — 1 operation(s) for radio.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Radio
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-radio-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-stations-api
  name: Weather.gov Stations API
  description: The Stations API from Weather.gov — 7 operation(s) for stations.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Stations
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-stations-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-thumbnails-api
  name: Weather.gov Thumbnails API
  description: The Thumbnails API from Weather.gov — 1 operation(s) for thumbnails.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Thumbnails
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-thumbnails-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
- aid: weather-gov:weather-gov-zones-api
  name: Weather.gov Zones API
  description: The Zones API from Weather.gov — 6 operation(s) for zones.
  humanURL: https://www.weather.gov/documentation/services-web-api
  baseURL: https://api.weather.gov
  tags:
  - Zones
  properties:
  - type: OpenAPI
    url: openapi/weather-gov-zones-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
  - type: APIReference
    url: https://api.weather.gov/openapi.json
name: Weather.gov
tags:
- Weather
- Government
- United States
- Forecasting
- Alerts
- Open Data
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-productions2.s3.amazonaws.com/apis-json-icons/api-web-service.png
common:
- type: AgenticAccess
  url: agentic-access/weather-gov-agentic-access.yml
- type: DomainSecurity
  url: security/weather-gov-domain-security.yml
- type: Authentication
  url: authentication/weather-gov-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/noaa-nws
- url: https://www.weather.gov/documentation/services-web-api
  type: Documentation
- url: https://github.com/weather-gov/api
  type: GitHubRepository
- url: https://api.weather.gov/openapi.json
  type: APIReference
- url: https://www.weather.gov
  type: Portal
- url: https://www.weather.gov/contact
  type: Contact
- url: https://api.weather.gov/glossary
  type: Glossary
- type: Features
  data:
  - name: Free and Open
    description: No API key required (only a User-Agent header); completely free for any use.
  - name: Forecast Gridpoints
    description: 12-hour and hourly forecasts for 2.5km grid cells across the US.
  - name: Real-Time Alerts
    description: Live weather alerts and warnings including active counts by area, zone, and region.
  - name: Observation Data
    description: Latest and historical observations from thousands of weather stations across the US.
  - name: Radar Data
    description: Radar station metadata, alarms, queues, and wind profiler data.
  - name: Aviation Weather
    description: SIGMETs, AIRMETs, Center Weather Advisories, and Terminal Aerodrome Forecasts for pilots.
  - name: GeoJSON Responses
    description: All responses return GeoJSON or JSON-LD by default, suitable for mapping and linked data.
  - name: Multiple Output Formats
    description: Supports GeoJSON, JSON-LD, DWML, OXML, CAP, and ATOM formats.
- type: UseCases
  data:
  - name: Emergency Management
    description: Monitor active weather alerts and warnings for emergency response and public safety decisions.
  - name: Application Development
    description: Integrate NWS weather data into mobile apps, websites, and IoT devices.
  - name: Aviation Planning
    description: Access SIGMETs, AIRMETs, and TAFs for flight planning and aviation safety.
  - name: Agricultural Monitoring
    description: Use zone forecasts and observation data for crop management and agricultural planning.
  - name: Research and Education
    description: Access historical observation data and forecast products for climate research and educational purposes.
- type: SpectralRules
  url: rules/weather-gov-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/weather-gov-vocabulary.yml
created: '2024-07-02T00:00:00.000Z'
modified: '2026-05-19'
description: Weather.gov is the official website of the National Weather Service (NWS), operated by NOAA within the US Department
  of Commerce. The NWS provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories,
  adjacent waters, and ocean areas. The Weather.gov API provides free, open access to forecasts, alerts, observations, radar
  data, aviation weather, and geographic zone information across all 50 states and territories.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'
type: Index
position: Consumer
access: 3rd-Party