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Build smarter, plan better with the world’s most flexible weather data platform

Build smarter, plan better with the world’s most flexible weather data platform

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  • Explore API Docs

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  • Current and Forecast APIs
  • Historical Weather Data
  • Weather Maps
  • Weather Dashboard
  • Widgets

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Technologies

  • Our technology
  • Accuracy and quality of weather data
  • Connect your weather station
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  • London, UK

    The Gherkin, 30 St Mary`s Axe,  The City Of London, London EC3A 8BF, United Kingdom

  • Paphos, Cyprus

    Gladstonos 12-14, Office 1 Hugge Space, Paphos 8046, Cyprus

  • Delaware, US

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Company

OpenWeather is a London-based weather intelligence company serving enterprises, developers, businesses, and researchers worldwide. Through its developer business, the company provides global weather data and forecasting services via fast, reliable APIs, delivering historical, current, and forecast weather data for any location worldwide. Combining advanced meteorology, AI-enhanced forecasting models, and scalable data infrastructure, OpenWeather helps customers integrate weather intelligence into applications, services, and operational workflows.

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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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  • API Docs

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

    • Subscribe
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    • Explore API Doc
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Browse APIs by Category

  • Current & Forecast

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    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
    • Subscribe
    • API Docs
  • Current & Forecast

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    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
    • Subscribe
    • API Docs
  • Current & Forecast

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    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
    • Subscribe
    • API Docs
  • Current & Forecast

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    Climatic Forecast 30 days

    • Forecast weather data for 30 days
    • JSON format
    • Included in the Developer, Professional and Expert subscription plans
    • Subscribe
    • API Docs
  • Current & Forecast

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    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
    • Subscribe
    • API Docs
  • Current & Forecast

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    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
    • Subscribe
    • API Docs
  • Specialized APIs

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    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 contact us
    • Get a quote
    • API Docs
  • Solar & Energy

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    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
    • Get
    • API Docs
  • Solar & Energy

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    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

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    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

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    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
    • Get
    • API Docs
  • Historical

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    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
    • Subscribe
    • API Docs
  • Historical

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    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

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    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

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    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
    • Subscribe
    • API Docs
  • Historical

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    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
    • Subscribe
    • API Docs
  • Maps

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    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
    • Subscribe
    • API Docs
  • Maps

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    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

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    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
    • Subscribe
    • API Docs
  • Maps

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    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
    • Subscribe
    • API Docs
  • Maps

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    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

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    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
    • Subscribe
    • API Docs
  • Environmental

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    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
    • Subscribe
    • API Docs
  • Environmental

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    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

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    Fire Weather Index API

    • Current fire index and daily forecast for 5 days are available for any geo location (lat/lon)
    • JSON format
    • Please contact us to get a quote
    • Get a quote
    • API Docs
  • Tools & Integrations

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    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
    • Subscribe
    • API Docs
  • Tools & Integrations

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    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
    • Subscribe
    • API Docs

How to get started

  • 01 icon

    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.

    Create account
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  • 02 icon

    Choose the Right API

    OpenWeather offers a variety of APIs to fit different needs. Get full technical documentation, response examples, and integration tips.

    See all APIs
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  • 03 icon

    FAQ

    Find quick answers to common questions about APIs, data coverage, limits, and integration.

    Browse FAQs
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