# National Weather Service

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

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.

## Kin Score — 27.8 / 100 (thin)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 27.8).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 49.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Government & Public Sector**: 22.2 (matched via tags).

## Agent readiness — 34.7 (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 | no |
| 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)

- **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.

## Agentic access (1)

- **National Weather Service Agentic Access** — 65 operations

## Security (2)

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

## Plans (1)

- **National Weather Service Plans Pricing**

## Tags

Federal-Government, Forecasting, Weather

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