OpenWeather provides global weather data APIs for current conditions, forecasts, historical archives, air quality, maps, and industry-specific use cases. Explore the product families below to find the API that fits your application, workflow, or business need.
Featured API
One Call API 3.0
One Call API 3.0
The BusinessAll-in-One Weather Data, One Simple Call
Access real-time weather, hourly & daily forecasts, national alerts, and historical data — all through a single, streamlined API request. Whether you’re building apps, dashboards, or climate models, One Call API 3.0 is your all-purpose solution.
Current Conditions
Temperature, humidity, wind, pressure & more — updated every minute
1-Minute to 8-Day Forecasts
Up to 8 days forecast with sunrise/sunset, min/max, and weather icons
47+ years of History
Up to 40 years back (hourly/daily) for any location globally
Government Alerts
Government-issued national alerts (e.g. NOAA, EUMETNET)
Daily Aggregations
Daily aggregated weather data for 47+ years archive and 1.5 years ahead forecast
AI Weather Summary
Get weather data and weather-related advice in a human-readable and friendly format