National Weather Service website screenshot

National Weather Service

The National Weather Service (NWS) is a government agency within the National Oceanic and Atmospheric Administration (NOAA) that is responsible for providing weather forecasts, warnings, and other meteorological information to the public, government agencies, and private industries.

National Weather Service publishes 13 APIs on the APIs.io network, including Alerts API, Aviation API, Glossary API, and 10 more. Tagged areas include Federal Government, Forecasting, and Weather.

National Weather Service’s developer surface includes authentication, developer portal, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
35.3/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
13 APIs
Federal GovernmentForecastingWeather

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 35.3/100 · thin
Contract Quality 12.2 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 31/100 · 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 0 / 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/national-weather-service: 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.

National Weather Service Alerts API

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

National Weather Service Aviation API

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

National Weather Service Glossary API

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

National Weather Service Gridpoints API

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

National Weather Service Icons API

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

National Weather Service Offices API

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

National Weather Service Points API

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

National Weather Service Products API

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

National Weather Service Radar API

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

National Weather Service Radio API

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

National Weather Service Stations API

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

National Weather Service Thumbnails API

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

National Weather Service Zones API

The Zones API from National Weather Service — 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.

National Weather Service Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

National Weather Service Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

National Weather Service Finops

FINOPS

Security Posture 2

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

National Weather Service Authentication

apiKey · 2 schemes

SECURITY

National Weather Service Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

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

National Weather Service Agentic Access

65 operations

65 operations · 0 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: national-weather-service
name: National Weather Service
description: The National Weather Service (NWS) is a government agency within the National Oceanic and Atmospheric Administration
  (NOAA) that is responsible for providing weather forecasts, warnings, and other meteorological information to the public,
  government agencies, and private industries.
type: Index
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-images.s3.amazonaws.com/shared/apis-json/icons/national-weather-service.png
url: https://raw.githubusercontent.com/api-evangelist/national-weather-service/refs/heads/main/apis.yml
created: '2024-01-01'
modified: '2026-05-19'
specificationVersion: '0.19'
tags:
- Federal Government
- Forecasting
- Weather
apis:
- aid: national-weather-service:national-weather-service-alerts-api
  name: National Weather Service Alerts API
  description: The Alerts API from National Weather Service — 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/national-weather-service-alerts-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-aviation-api
  name: National Weather Service Aviation API
  description: The Aviation API from National Weather Service — 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/national-weather-service-aviation-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-glossary-api
  name: National Weather Service Glossary API
  description: The Glossary API from National Weather Service — 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/national-weather-service-glossary-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-gridpoints-api
  name: National Weather Service Gridpoints API
  description: The Gridpoints API from National Weather Service — 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/national-weather-service-gridpoints-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-icons-api
  name: National Weather Service Icons API
  description: The Icons API from National Weather Service — 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/national-weather-service-icons-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-offices-api
  name: National Weather Service Offices API
  description: The Offices API from National Weather Service — 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/national-weather-service-offices-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-points-api
  name: National Weather Service Points API
  description: The Points API from National Weather Service — 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/national-weather-service-points-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-products-api
  name: National Weather Service Products API
  description: The Products API from National Weather Service — 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/national-weather-service-products-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-radar-api
  name: National Weather Service Radar API
  description: The Radar API from National Weather Service — 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/national-weather-service-radar-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-radio-api
  name: National Weather Service Radio API
  description: The Radio API from National Weather Service — 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/national-weather-service-radio-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-stations-api
  name: National Weather Service Stations API
  description: The Stations API from National Weather Service — 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/national-weather-service-stations-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-thumbnails-api
  name: National Weather Service Thumbnails API
  description: The Thumbnails API from National Weather Service — 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/national-weather-service-thumbnails-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
- aid: national-weather-service:national-weather-service-zones-api
  name: National Weather Service Zones API
  description: The Zones API from National Weather Service — 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/national-weather-service-zones-api-openapi.yml
  - type: Documentation
    url: https://www.weather.gov/documentation/services-web-api
common:
- type: AgenticAccess
  url: agentic-access/national-weather-service-agentic-access.yml
- type: DomainSecurity
  url: security/national-weather-service-domain-security.yml
- type: Authentication
  url: authentication/national-weather-service-authentication.yml
- type: GitHubOrganization
  url: https://github.com/weather-gov
- type: LinkedIn
  url: https://www.linkedin.com/company/noaa-nws
- type: Website
  url: https://www.weather.gov/
- type: Portal
  url: https://www.weather.gov/documentation/services-web-api
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com