Weather API
Weather APIs for Every Use Case
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.
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Featured API
One Call API 3.0
One Call API 3.0
All-in-One Weather Data, One Simple Call
The Business
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
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Browse APIs by Category
Current & Forecast
Current Weather Data
Access current weather data for any location
We collect and process weather data from different sources such as global and local weather models, satellites, radars and a vast network of weather stations
JSON, XML, and HTML formats
Included in both free and paid subscriptions
API Docs
Current & Forecast
Hourly Forecast 4 days
Hourly forecast is available for 4 days
Forecast weather data for 96 timestamps
JSON and XML formats
Included in the Developer, Professional and Expert subscription plans
API Docs
Current & Forecast
Daily Forecast 16 days
16 days forecast is available for any location on the globe
1-day step for 16 days
JSON and XML formats
Included in all paid subscription plans
API Docs
Current & Forecast
Climatic Forecast 30 days
Forecast weather data for 30 days
JSON format
Included in the Developer, Professional and Expert subscription plans
API Docs
Current & Forecast
Bulk Current Data
Current weather, a variety of weather forecasts and their 7-day archive via regularly updated files
Weather bulks are grouped by types of weather data and location lists (global city lists or ZIP code lists of EU, UK, and US)
Bulk files are available via CSV and JSON formats
Included in the Professional and Expert subscription plans
API Docs
Current & Forecast
5 Day / 3 Hour Forecast
5 day forecast for any location on the globe
5 day forecast with a 3-hour step
JSON and XML formats
Included in both free and paid subscriptions
API Docs
Specialized APIs
Road Risk API
Specify your route and get weather data and national alerts for the point of destination and along the route
Current, forecast for 5 days and historical weather data for 1 year for your route
Weather data are available for any point on the globe
To receive information on price and get a quote, please
Get a quote
API Docs
Solar & Energy
Solar Irradiance API
Get the solar data by particular location and calculate energy generation!
GHI
DNI
DHI
indices for clear sky and cloudy sky models
Current data and forecast for 15 days ahead solar irradiation data
47+ years of historical data (from January 1, 1979)
Daily aggregation with 1-hour and 15-minutes step detalization for specified day
Available worldwide
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API Docs
Solar & Energy
Solar Irradiance History Bulk
Solar Irradiance History Bulk provides historical weather data for any location for more than 47+ years back (from January 1, 1979)
GHI
DNI
DHI
indices for clear sky and cloudy sky models
Data is available in 15-minutes and 1-hour steps
CSV and JSON formats
Available worldwide
Available through our
Marketplace
Get
API Docs
Solar & Energy
Solar Irradiance History Forecast Bulk
Solar Irradiance History Bulk provides historical weather data for any location for more than 47+ years back (from January 1, 1979)
GHI
DNI
DHI
indices for clear sky and cloudy sky models
Data is available in 15-minutes and 1-hour steps
CSV and JSON formats
Available worldwide
Available through our
Marketplace
Get
API Docs
Solar & Energy
Solar Panel Energy Prediction
Get the particular solar panel power output, based on the panel’s technical characteristics!
Create unlimited number of solar panels for particular location with the desired specifications
Current and forecast for 15 days ahead solar panel power output data
47+ years of historical data (from January 1, 1979)
Daily aggregation with 1-hour and 15-minutes step detalization for specified day
Available worldwide
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API Docs
Historical
Weather History API
Through our API we provide historical weather data for any location on the globe
Weather data have 1-hour step
Weather History API is available in Professional and Expert subscription plans
JSON format
API Docs
Historical
History Bulk
History Bulk provides weather data for
any
location for 47+ years back (from January 01, 1979).
Available through our
Marketplace
CSV and JSON formats
Get
API Docs
Historical
History Forecast Bulk
Historical archive of 16-days forecast weather data
Historical forecast data is available from October 7, 2017
CSV and JSON formats
You can purchase the product from our
Marketplace
Get
API Docs
Historical
Statistical Weather API
Statistical data on main weather parameters for any day and month of the year
The statistics are calculated based on our
Historical weather data
JSON format
The weather data updated every hour
Statistical Weather Data API is available in Expert subscription plan
API Docs
Historical
Accumulated Parameters
Accumulated temperature and precipitation data
Accumulated Parameters are available in Professional and Expert subscription plans
JSON format
More opportunities for agriculture in our
Agricultural API
API Docs
Maps
Weather Maps 2.0 3-hour step
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
API Docs
Maps
Weather Maps 2.0 1-hour step
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
Get a quote
API Docs
Maps
Weather Maps 1.0
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
API Docs
Maps
Global Precipitation Maps Historical data
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
API Docs
Maps
Global Precipitation Maps Historical & Forecast data
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
Get a quote
API Docs
Maps
Relief Maps
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
API Docs
Environmental
Air Pollution API
Current, forecast and historical air pollution data
Forecast for 4 days ahead with 1-hour step
Air Pollution API includes both Air Quality Index and indices for CO, NO, NO2, O3, SO2, NH3, PM2.5, PM10
Included in both free and paid subscriptions
API Docs
Environmental
Fire Weather Index Maps
Forecast, Historical, Current weather maps with 3-hour step
15 weather map layers
The maps can be used as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
Included in Developer, Professional and Expert subscription plans
Get a quote
API Docs
Environmental
Fire Weather Index API
Current fire index and daily forecast for 5 days are available for any geo location (lat/lon)
JSON format
Please
to get a quote
Get a quote
API Docs
Tools & Integrations
Geocoding API
Geocoding API supports both the direct and reverse methods, working at the level of city names, areas and districts, countries and states
You can cap how many locations with the same name or the nearby geographic coordinates will be seen in the API response
Included in both free and paid subscriptions
API Docs
Tools & Integrations
Weather Stations
API for managing your personal weather stations
Connect your stations and transfer the measurements
Receive the aggregated measurements from the station
Included in both free and paid subscriptions
API Docs
How to get started
Sign Up & Get Your API Key
Create an account on OpenWeather to access your dashboard and generate your unique API key. This key is required for all API requests.
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Choose the Right API
OpenWeather offers a variety of APIs to fit different needs. Get full technical documentation, response examples, and integration tips.
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FAQ
Find quick answers to common questions about APIs, data coverage, limits, and integration.
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