# Weather.gov

**Canonical:** https://apis.io/providers/weather-gov/  
**Website:** https://www.weather.gov  
**APIs profiled:** 13

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.

## Kin Score — 39.3 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 39.3).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 62.5 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 38.1 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Government & Public Sector**: 31.5 (matched via tags).

## Agent readiness — 38.3 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (13)

- **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.

## Agentic access (1)

- **Weather Gov Agentic Access** — 65 operations

## Security (2)

- **Weather Gov Authentication** — apiKey · 2 schemes
- **Weather Gov Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Weather Gov Plans Pricing**

## Use cases (5)

- **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.

## Tags

Weather, Government, United States, Forecasting, Alerts, Open Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/weather-gov/). Scores are computed from the provider's own public artifacts under a published rubric.