# AccuWeather Core Weather API + MCP vs NOAA National Weather Service API (api.weather.gov) (slim)

> NOAA National Weather Service API (api.weather.gov) has a score of 49.9 (D) against AccuWeather Core Weather API + MCP's 48.8 (D). Both do weather current. The largest gap is reliability, 40 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/accuweather-api-vs-nws-api.md (~1,750 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/compare/accuweather-api-vs-nws-api.json · canonical https://www.anchorterminal.com/compare/accuweather-api-vs-nws-api
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

NOAA National Weather Service API (api.weather.gov) has a score of 49.9 (D) against AccuWeather Core Weather API + MCP's 48.8 (D). Both do weather current. The largest gap is reliability, 40 points.

- AccuWeather Core Weather API + MCP: D 48.8, rank #372 of 452 · https://www.anchorterminal.com/tools/accuweather-api.min.md
- NOAA National Weather Service API (api.weather.gov): D 49.9, rank #364 of 452 · https://www.anchorterminal.com/tools/nws-api.min.md
- Pick AccuWeather Core Weather API + MCP for reliability (+40), maintenance & community (+5). Pick NOAA National Weather Service API (api.weather.gov) for schema & documentation (+7), agent ergonomics (+6), security & auth (+14), payments & pricing (+35), transparency & trust (+7).

| Category | AccuWeather Core Weather API + MCP | NOAA National Weather Service API (api.weather.gov) |
| --- | --- | --- |
| Reliability (16%) | 65 | 25 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 67 |
| Agent ergonomics (13%) | 60 | 66 |
| Security & auth (14%) | 39 | 53 |
| Payments & pricing (10%) | 25 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 13 | 8 |
| Transparency & trust (7%) | 60 | 67 |