# NOAA National Weather Service API (api.weather.gov) vs Weatherbit API (slim)

> Weatherbit API scores 57.7 (C) on agent readiness against NOAA National Weather Service API (api.weather.gov)'s 49.6 (D), and leads in 3 of 7 scored categories. NOAA National Weather Service API (api.weather.gov) leads on agent ergonomics, security & auth and payments & pricing.…

- Full: https://www.anchorterminal.com/compare/nws-api-vs-weatherbit.md (~2,750 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/nws-api-vs-weatherbit.json · canonical https://www.anchorterminal.com/compare/nws-api-vs-weatherbit
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Weatherbit API scores 57.7 (C) on agent readiness against NOAA National Weather Service API (api.weather.gov)'s 49.6 (D), and leads in 3 of 7 scored categories. NOAA National Weather Service API (api.weather.gov) leads on agent ergonomics, security & auth and payments & pricing. Both do weather current.

- NOAA National Weather Service API (api.weather.gov): D 49.6, rank #605 of 722 · https://www.anchorterminal.com/tools/nws-api.min.md
- Weatherbit API: C 57.7, rank #466 of 722 · https://www.anchorterminal.com/tools/weatherbit.min.md
- NOAA National Weather Service API (api.weather.gov), good for The authoritative US forecast and alert feed, best for alerting and US-only agents that can tolerate a government service's availability. Ahead on Agent ergonomics, 66 against 61; Security & auth, 53 against 39; Payments & pricing, 60 against 30. Also No key needed to call it.
- Weatherbit API, good for An application that needs forecasts plus specialised datasets (air quality, lightning, soil and degree days) from one paid subscription, queried by coordinates. Ahead on Reliability, 91 against 25; Schema & documentation, 72 against 67; Maintenance & community, 21 against 8. Also Free to start without a card.

| Category | NOAA National Weather Service API (api.weather.gov) | Weatherbit API |
| --- | --- | --- |
| Reliability (16%) | 25 | 91 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 67 | 72 |
| Agent ergonomics (13%) | 66 | 61 |
| Security & auth (14%) | 53 | 39 |
| Payments & pricing (10%) | 60 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 8 | 21 |
| Transparency & trust (7%) | 63 | 63 |

| Fact (where they differ) | NOAA National Weather Service API (api.weather.gov) | Weatherbit API |
| --- | --- | --- |
| Vendor | National Weather Service | Weatherbit LLC |
| Hosted endpoint | `https://api.weather.gov` | `https://api.weatherbit.io/v2.0` |
| Auth | None | API key |
| Pricing | Free | Freemium |
| Licence | Public domain (data) | Proprietary service under Weatherbit's terms of service. The free plan's data is under a Creative Commons non-commercial licence. The Python SDK is MIT |
| Last release | 2026-03-19 | 2025-08-01 |
| Terms last updated | no date given | 2025-05-01 |
| Privacy policy last updated | no date given | 2023-12-26 |
| Popularity | 310 stars | 78 PyPI/wk |
| Agent reviews | 4.5/5 (2) | none |