OpenWeather delivers reliable, global weather data through structured APIs designed for straightforward integration. Access current conditions, forecasts, historical archives, and specialised datasets to support applications ranging from lightweight services to large-scale operational systems.
OpenWeather APIs overview
OpenWeather provides reliable, global weather data through structured, industry-standard APIs.
Our services support a wide range of applications, from lightweight integrations to large-scale data systems, delivering current conditions, forecasts, historical weather, and specialised datasets.
Access is immediate. Integration is straightforward. Pricing is transparent.
What data is available
OpenWeather APIs provide:
- Current weather conditions
- Minute-by-minute forecasts
- Hourly and daily forecasts
- Short-term and extended outlooks
- Government weather alerts
- 47+ years of historical observations
- Historical forecast archives
- Statistical climate data
- Air quality data
- Weather maps and geospatial layers
- Industry-focused APIs (Solar, Road Risk, Agromonitoring, and others)
Coverage is global, data is available for any coordinate worldwide.
All services are delivered via REST APIs with structured JSON responses suitable for integration into web, mobile, analytics, IoT, and enterprise environments.
Core API products
One Call API 3.0. A comprehensive weather endpoint for a specific location, combining current, forecast, historical data, and alerts within a single API call.
Forecast & Current Weather APIs. Short-term and extended forecasts with frequent updates.
Historical Weather APIs. 47+ years of hourly archive data, forecast history, and statistical datasets.
Weather Maps & Geospatial APIs. Layer-based weather maps, precipitation data, and visual datasets.
Detailed API documentation and integration guidance are available for all products.
Technology and data quality
OpenWeather OWHL™ model operates with:
- Ground weather stations and sensors
- Satellite systems
- Radar networks
- Global forecast models including GFS and ECMWF
Data updates are released every 10 minutes to ensure timely delivery.
Short-term forecasts demonstrate strong predictive performance. As with all atmospheric modelling, forecast uncertainty increases over longer time horizons.
Continuous model refinement and real-time data processing ensure consistent global coverage across both urban and remote regions.
How to start using Weather API
Getting started requires only a few steps:
- Create an OpenWeather account
- Select the API product appropriate for your needs on the APIs page
- Choose a subscription plan on the Pricing page
- Receive your API key instantly (no approval or onboarding process required)
- Integrate using the provided documentation
Free plans are available for evaluation and development.
Paid plans scale according to usage.
Licensing
Self-service API subscriptions are provided under public data licences (ODbL) with clearly defined usage terms.
Relevant terms and licensing details are available prior to subscription.
Enterprise Solutions
For organisations that require:
- Contract-based licensing
- Custom commercial terms
- Procurement documentation
- Higher usage volumes
- API customisation or configuration
OpenWeather Enterprise services are available under separate commercial agreements.
Enterprise operates independently from self-service API subscriptions and is designed for corporate procurement frameworks.