National Weather Service
FreeLiveLast verified 24 Sept 2026
Official US forecasts on a 2.5 km grid, active watches and warnings, and station observations, as GeoJSON.
Example request
curl -s -A '(myweatherapp.com, [email protected])' 'https://api.weather.gov/points/39.7456,-97.0892'
Free tier, in plain English
Free for any purpose with no key; you only send a User-Agent that identifies your app. There is a rate limit to stop abuse, but NWS does not publish the number.
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