OpenWeatherMap

OpenWeatherMap is an online service, owned by OpenWeather Ltd, that provides global weather data, including current weather data, forecasts, nowcasts and historical data (starting from 1979), utilising meteorological broadcast services and raw data from airport weather stations, radar stations and other weather stations.

OpenWeatherMap
Founded2012
FounderDenn Ukolov, Olga Ukolova
HeadquartersLondon, UK
Area served
Worldwide
OwnerOpenWeather Ltd.
Websiteopenweathermap.org

The company has more than 2 million customers, ranging from independent developers to Fortune 500 companies.[1]

It provides more than twenty weather APIs, and have an abundance of repositories on GitHub.[2] The APIs support multiple languages, units of measurement and data formats.

The platform uses OpenStreetMap to display weather maps, and it provides many of its services free of charge. But despite the name of the platform, it is not open to user contributions, and most of their services require paid subscriptions.


Products

Current and forecast collection

The OpenWeatherMap service provides a Current Weather API, along with several types of forecasts with different depths and measurement steps:

  • Minute Forecast – for 1 hour
  • Hourly Forecast – for 4 days
  • 3-hour Step Forecast – for 5 days
  • Daily Forecast – for 16 days
  • Climate Forecast – for 30 days

Historical collection

The new technology called Time Machine was launched in 2019, allowing enhancement of historical weather data. Time Machine allows over 40 years’ worth of hourly historical data to be obtained for any given coordinates.

Historical weather data
  • History Bulk
  • History API

Statistical weather data

The Statistical Weather Data API provides statistical data for the main weather parameters, aggregated in various ways: for a specific date or month, or the whole year.

Historical forecast weather data

History Forecast Bulk (a one-time data export) allows the user to get a previously made 16-day forecast from the archive.

Weather maps collection

The weather maps collection contains the Weather Maps and Relief Maps services.

Weather alerts

The Weather Triggers API allows developers to set trigger conditions, and allows end-users to monitor trigger execution in real time. It also supports the same weather conditions as the weather API.

Licensing

All data that OpenWeatherMap provides is used under the terms of a Creative Commons Attribution-ShareAlike license. However, any access beyond 60 requests of basic data per minute, as well as bulk downloading of weather readings and forecasts, require a paid subscription.

Competitors

References
  1. "Partners and solutions - OpenWeatherMap". openweathermap.org. Retrieved 2020-04-06.
  2. "Build software better, together". GitHub. Retrieved 2020-09-18.
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