Weather.gov > Documentation · Services · API Web Service · Alerts Web Service · Technical Bulletins · This page provides documentation for the National Weather Service. Please select the documentation that you are looking for using the menu above or the list below.

This GitHub Pages site is here to answer some of the most frequently asked questions about the National Weather Service public data API (api.weather.gov). Our GitHub repository also serves as a place to connect with other developers and the NWS API development team. You can browse our documentation here.

The API is also being built to ... and developers a one-stop shop for vital data. Our current documentation is located at https://www.weather.gov/documentation/services-web-api....

This repository is here to serve as a meeting place for developers in the general public to interface with each other and the NWS API development team. This will allow us to gather better feedback on user needs and respond more quickly to concerns. You can start reading our documentation at https://weather-gov.github.io/api

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National Weather Service

Documentation and examples for the Data API offered by AviationWeather

https://api.weather.gov/alerts/active?point=38.9807,-76.9373 ... If you have any questions about any of the information in this primer document, please contact the NCO

July 12, 2025 - import requests headers = {'User-Agent' : 'myapp'} endpoint = 'https://api.weather.gov/alerts?area={state}' response = requests.get(endpoint, headers = headers) data = response.json() # `features` contains the data we want.

Weather.gov > Documentation · Services · API Web Service · Alerts Web Service · Technical Bulletins · This page provides documentation for the National Weather Service. Please select the documentation that you are looking for using the menu above or the list below.

Documentation for the API can be found here: https://www.weather.gov/documentation/services-web-api.

This API is for developers looking to create their own scripts or programs that use the CDO database of weather and climate data. An access token is required to use the API, and each token will be limited to five requests per second and 10,000 requests per day.

Information shared through the new National Weather Service (NWS) National Water Prediction Service (NWPS) is · now fully accessible through an Application Programming Interface (API) via the web link provided below. From the

Endpoints typically have a GeoJSON default format and additional formats may be requested using the request header. For example, to request DWML formatting for the point forecast at http://api.weather.gov/point/XXX,XXX/forecast, set the accept header to "application/vnd.noaa.dwml+xml." Use the reference below to determine what formats are available for each endpoint.

If you call /points/XXXXXX,YYYYYYY, with the lat/lon, the properties/observationStations key provides another API call, /gridpoints/AA,BB/stations, that returns a list of weather stations near that point, sorted by distance. You can take a station from that list, call /stations/STATIONID/observations, and that gives you the weather at that station.

For our example the URL will be https://api.weather.gov/points/38.8894,-77.0352 · You'll get back a JSON document. Inside the document, find the properties object, and inside that, find the forecast property.

March 1, 2023 - I never understood why people go through all these other API's that consistently get shut down, cancelled or become pay for use eventually · See here for notes on other unsupported providers: https://github.com/vsergeev/briefsky#unsupported-providers

July 26, 2024 - Documented service level specifications including request rate limits ... We've got a new machine here at Adafruit, it can uncover your deepest desires. Don't believe me? I'll turn it on right now to prove it to you! What, you want your very own... ... This page (weather.gov: A Truly Free Weather API...

Explore the GitHub Discussions forum for weather-gov api. Discuss code, ask questions & collaborate with the developer community.

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