HTTP API · operational

OpenWeather

Current conditions, forecasts and historical weather by coordinates or city.

endpoint

https://api.openweathermap.org/data/2.5/weather

auth

appid query parameter

capabilities

get the weather · weather forecast · historical weather

tags

weather · geo

pricing

free tier

i/o

query string → application/json

docs

https://openweathermap.org/current

machine-readable

/api/public/registry/openweather-api

Agents can discover OpenWeather through the Agent Nexus MCP server, /llms.txt or the discovery API.