OpenWeatherMap

OpenWeatherMap is a weather-data platform operated by OpenWeather Ltd, a United Kingdom-based company. Its services are designed primarily for developers, businesses, and organizations that need to embed weather and environmental information in applications, websites, operational systems, and analytical products. The platform provides access to current conditions, short-term forecasts, nowcasts, historical observations, weather maps, alerts, geocoding, air-quality information, and weather-triggered data services. The service is structured around APIs and machine-readable data rather than only a consumer-facing forecast website. Its interfaces support multiple programming languages, measurement systems, and common formats such as JSON and XML. This has made the service usable by independent developers as well as larger commercial organizations, and has contributed to the creation of software libraries, examples, and integrations in public code repositories such as GitHub. OpenWeatherMap aggregates information from a wide range of sources. These include meteorological broadcast services, airport weather stations, ground-based radar, weather satellites, remote-sensing satellites, METAR reports, and automated weather stations. The company also describes the use of artificial intelligence and machine-learning methods in the processing and modeling of environmental data. One of the platform's more specialized offerings is a high-resolution precipitation nowcast, with minute-level updates for a limited near-term horizon. Its broader forecast portfolio extends from immediate conditions and short-term forecasts to longer-range outlooks, while historical datasets cover several decades in some product areas. The platform serves both general-purpose and industry-specific use cases. Weather data can be incorporated into mobile and web applications, mapping products, advertising systems, wearable-device software, and operational tools for sectors such as energy, logistics, agriculture, and weather-risk management. OpenWeather has also worked with or referenced relationships involving organizations such as the United Kingdom's Met Office and the United States National Oceanic and Atmospheric Administration, and it is described as participating in the World Meteorological Organization and European Space Agency communities. The brand's market positioning emphasizes broad access, technical flexibility, and scalable delivery. Some data and API features are made available under open or Creative Commons Attribution-ShareAlike terms, while commercial and more specialized services can be provided under individual agreements. The wider OpenWeather organization also operates the OpenWeather Foundation, whose stated focus includes open data access, education, and sustainability. According to reference material, the company reported serving millions of users and delivering billions of forecasts each day by the early 2020s. OpenWeatherMap remains an active international data service rather than a conventional physical-product brand.

OpenWeatherMap emerged in 2012 as an online service focused on making weather information accessible through developer-oriented interfaces. Rather than limiting its role to publishing forecasts on a single website, the service developed around APIs that could be integrated into applications, websites, maps, and operational software. This approach made current conditions, forecasts, maps, and related weather information available in standardized, machine-readable forms. The platform expanded its data scope by combining information from multiple meteorological and observational sources. These sources include airport and automated weather stations, METAR reports, radar, weather satellites, remote-sensing satellites, and meteorological broadcast services. The resulting data products include current observations, forecasts, weather maps, alerts, geocoding, and historical information. OpenWeather also developed more specialized modeling capabilities, including high-frequency precipitation nowcasting and machine-learning-based processing. During the 2010s, OpenWeatherMap gained visibility through third-party technology integrations. In 2015, Google used the service in documentation and an advertising-related weather-targeting context. These uses illustrated the platform's value as infrastructure that could supply location-specific conditions to other digital products rather than merely serving end users directly. The service subsequently broadened its reach across consumer and commercial environments. In 2020, Samsung made OpenWeatherMap available through Galaxy Watch Studio, while OpenWeatherMap released mobile applications for iOS and Android. Its data also became relevant to professional sectors including energy, agriculture, logistics, and weather-risk management, where forecasts and historical conditions can support planning and operational decisions. OpenWeather Ltd is described as the United Kingdom-based company behind the service. By the early 2020s, reference material characterized OpenWeather as an artificial-intelligence- and machine-learning-enabled environmental data business serving millions of users and distributing billions of forecasts daily. The organization also described relationships with bodies including the Met Office and NOAA, participation in international scientific and environmental communities, and operation of the OpenWeather Foundation to support open data, education, and sustainability. The current OpenWeatherMap model combines broadly accessible data services with commercial offerings tailored to specific requirements. Free or openly licensed features include selected current-weather data, short-range forecasts, maps, alerts, geocoding, air-quality triggers, and widgets, while specialized weather-risk and enterprise services may be supplied through individual agreements. The brand therefore occupies a position between an open developer platform and a commercial environmental-data provider.

• 2022

  Reported expansion of user and forecast scale

  [1]OpenWeatherMapen.wikipedia.org

  Reference material described OpenWeather as serving more than six million users and producing more than two billion forecasts per day.

• 2020

  Samsung Galaxy Watch Studio integration

  [1]OpenWeatherMapen.wikipedia.org

  OpenWeatherMap became available as a weather-data source in Samsung's Galaxy Watch Studio.

• 2020

  iOS and Android applications launched

  [1]OpenWeatherMapen.wikipedia.org

  The brand released mobile weather applications for Apple's iOS and Google's Android platforms.

• 2015

  Google weather-data integrations

  [1]OpenWeatherMapen.wikipedia.org

  Google selected or documented OpenWeatherMap data for weather-responsive advertising and map-based weather displays.

• 2012

  OpenWeatherMap established

  [1]OpenWeatherMapen.wikipedia.org

  OpenWeatherMap began operating as an online service for delivering weather information through APIs and related digital tools.

Open, flexible, developer-oriented weather and environmental data infrastructure for applications, business operations, and analytical systems.

• Developer platform

  Weather APIs

  OpenWeatherMap's API portfolio provides programmatic access to current observations, forecasts, historical information, maps, alerts, geocoding, air quality, and related environmental data. Interfaces support common data formats including JSON and XML, multiple units of measurement, and integration into applications built with different programming languages. The APIs form the core of the brand's developer and business proposition.

• Weather observations

  Current Weather Data

  This service supplies present or near-present weather conditions for locations around the world. Data can include atmospheric and environmental variables such as temperature, humidity, cloudiness, wind, and precipitation-related measurements. It is intended for display in apps and websites as well as for operational systems that need current location-based weather information.

• Weather forecasting

  Forecast and One Call services

  OpenWeather provides forecast products covering immediate conditions, short-term forecasts, and longer-range outlooks. Reference material describes nowcasting horizons of up to two hours, short-term forecasts extending to 16 days, and long-term forecast products reaching as far as one year. These services are designed to consolidate multiple forecast and observation features for application developers and businesses.

• Nowcasting

  Minute-by-minute precipitation nowcast

  The platform offers a high-frequency precipitation nowcast intended to describe very short-term, local rainfall conditions. Its modeling uses a combination of meteorological and observational inputs, including radar, satellites, weather stations, and other reporting systems. The nowcast is designed for applications that need timely precipitation warnings or activity planning.

• Climate and historical data

  Historical Weather Data

  OpenWeather provides historical weather information extending beyond four decades in some datasets. Such information can support research, comparisons, trend analysis, forecasting workflows, weather-risk assessment, and industry planning. Availability, coverage, and licensing depend on the particular data product and service arrangement.

• Maps and notifications

  Weather Maps and Alerts

  Weather-map and alert services allow developers and organizations to present spatial weather information and receive notifications about relevant conditions. The offering is suitable for dashboards, consumer applications, logistics tools, outdoor services, and other systems that need visual or event-based weather information.

• Consumer software · 2020

  Mobile Weather Applications

  In 2020, OpenWeatherMap released applications for iOS and Android. These apps provide a direct consumer-facing expression of the brand's weather services, complementing its primary role as an API and data provider.

• 2020

  Entered direct mobile applicationsProduct launch

  Background

  OpenWeatherMap had primarily been known as an API and online data service for developers and organizations.

  Action taken

  The brand released weather applications for iOS and Android.

  Aftermath

  The launch extended OpenWeatherMap's reach into direct consumer use while retaining its developer-platform focus.

  Source

• 2020

  Extended wearable-device availability through SamsungStrategy

  Background

  Wearable software requires compact, location-aware weather information that can be incorporated into watch faces and related experiences.

  Action taken

  OpenWeatherMap was included as a weather-data source in Samsung Galaxy Watch Studio.

  Aftermath

  The integration broadened the service's device ecosystem and provided another route for developers to use its data.

  Source

• 2015

  Expanded third-party platform distribution through GoogleStrategy

  Background

  OpenWeatherMap's developer-focused model made its data suitable for use in other digital services, including weather-responsive advertising and map-based weather displays.

  Action taken

  The service was selected or documented by Google as a source for local weather conditions in advertising and mapping-related applications.

  Aftermath

  The relationship demonstrated the platform's use as embedded data infrastructure for large-scale digital products.

  Source

1. 1OpenWeatherMapen.wikipedia.org
2. 2OpenWeatherMap official websiteopenweathermap.org