# NOAA National Weather Service API (api.weather.gov) vs WeatherAPI.com (slim) > WeatherAPI.com has a score of 65.8 (B) against NOAA National Weather Service API (api.weather.gov)'s 49.9 (D). Both do weather current. The largest gap is reliability, 65 points. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/nws-api-vs-weatherapi-com.md (~1,600 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/nws-api-vs-weatherapi-com.json · canonical https://www.anchorterminal.com/compare/nws-api-vs-weatherapi-com - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 WeatherAPI.com has a score of 65.8 (B) against NOAA National Weather Service API (api.weather.gov)'s 49.9 (D). Both do weather current. The largest gap is reliability, 65 points. - NOAA National Weather Service API (api.weather.gov): D 49.9, rank #364 of 452 · https://www.anchorterminal.com/tools/nws-api.min.md - WeatherAPI.com: B 65.8, rank #169 of 452 · https://www.anchorterminal.com/tools/weatherapi-com.min.md - Pick NOAA National Weather Service API (api.weather.gov) for security & auth (+16), payments & pricing (+30). Pick WeatherAPI.com for reliability (+65), schema & documentation (+22), agent ergonomics (+14), maintenance & community (+37). | Category | NOAA National Weather Service API (api.weather.gov) | WeatherAPI.com | | --- | --- | --- | | Reliability (16%) | 25 | 90 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 67 | 89 | | Agent ergonomics (13%) | 66 | 80 | | Security & auth (14%) | 53 | 37 | | Payments & pricing (10%) | 60 | 30 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 8 | 45 | | Transparency & trust (7%) | 67 | 70 |