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OpenWeatherMap is an online service, owned by OpenWeather Ltd, that provides global
weather Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloud cover, cloudy. On Earth, most weather phenomena occur in the lowest layer of the planet's atmo ...
data via
API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...
, including current weather data,
forecasts Forecasting is the process of making predictions based on past and present data. Later these can be compared with what actually happens. For example, a company might estimate their revenue in the next year, then compare it against the actual resu ...
, nowcasts, and historical weather data. The company provides a minute-by-minute
hyperlocal Hyperlocal (also reckoned Hyper-local) is an adjective used to describe something as being "limited to a very small geographical area", and in particular, to anything " tremely or excessively local", in particular with regard to media (commu ...
precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull. The main forms of precipitation include drizzle, rain, rain and snow mixed ("sleet" in Commonwe ...
forecast. The
convolution In mathematics (in particular, functional analysis), convolution is a operation (mathematics), mathematical operation on two function (mathematics), functions f and g that produces a third function f*g, as the integral of the product of the two ...
al
machine learning Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...
model uses meteorological broadcast services and data from
airport An airport is an aerodrome with extended facilities, mostly for commercial Aviation, air transport. They usually consist of a landing area, which comprises an aerially accessible open space including at least one operationally active surf ...
weather station A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmosphere of Earth, atmospheric conditions to provide information for weather forecasting, weather forecasts and to study the weather and clima ...
s, on-ground radar stations,
weather satellite A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites are mainly of two types: polar orbiting (covering the entire Earth asyn ...
s,
remote sensing Remote sensing is the acquisition of information about an physical object, object or phenomenon without making physical contact with the object, in contrast to in situ or on-site observation. The term is applied especially to acquiring inform ...
satellites,
METAR METAR is a format for reporting weather information. A METAR weather report is predominantly used by aircraft pilots, and by meteorologists, who use aggregated METAR information to assist in weather forecasting. Raw METAR is highly standardize ...
, and automated weather stations. The company has more than 2 million customers, ranging from independent developers to
Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune (magazine), Fortune'' magazine that ranks 500 of the largest United States Joint-stock company#Closely held corporations and publicly traded corporations, corporations by ...
companies. The
API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...
s provided by OpenWeatherMap have resulted in repositories on
GitHub GitHub () is a Proprietary software, proprietary developer platform that allows developers to create, store, manage, and share their code. It uses Git to provide distributed version control and GitHub itself provides access control, bug trackin ...
. The APIs support multiple languages,
units of measurement A unit of measurement, or unit of measure, is a definite magnitude (mathematics), magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. Any other qua ...
, and industry
standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...
data formats like
JSON JSON (JavaScript Object Notation, pronounced or ) is an open standard file format and electronic data interchange, data interchange format that uses Human-readable medium and data, human-readable text to store and transmit data objects consi ...
and
XML Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing data. It defines a set of rules for encoding electronic document, documents in a format that is both human-readable and Machine-r ...
.


Company Profile

OpenWeather Ltd is a UK-based company that provides global environmental data using
artificial intelligence Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of re ...
and
machine learning Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...
. OpenWeather was founded ten years ago, and it now serves more than six million users. They deliver more than two billion forecasts each day and their products are specialized for energy, logistics, agriculture, and other industries. OpenWeather works with organizations like the
Met Office The Met Office, until November 2000 officially the Meteorological Office, is the United Kingdom's national weather and climate service. It is an executive agency and trading fund of the Department for Science, Innovation and Technology and ...
and the U.S. National Oceanic and Atmospheric Administration. They are members of both the
World Meteorological Organization The World Meteorological Organization (WMO) is a List of specialized agencies of the United Nations, specialized agency of the United Nations responsible for promoting international cooperation on atmospheric science, climatology, hydrology an ...
and the
European Space Agency The European Space Agency (ESA) is a 23-member International organization, international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 ...
. The company also runs the OpenWeather Foundation, which supports open data access, education, and sustainability efforts.


Products and services

OpenWeatherMap provides
weather map A weather map, also known as synoptic weather chart, displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings. Such maps have been in use since the mi ...
s, weather alert services, and weather data. The length of the nowcast reaches 2 hours, the short-term forecast reaches 16 days, and the long-term forecast can reach up to 1 year. Historical weather data goes over 40 years. In 2015,
Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...
chose OpenWeatherMap as a weather data provider for its bid-by-weather script in
Google Ads Google Ads, formerly known as Google Adwords, is an online advertising platform developed by Google, where advertisers bid to display brief advertisements, service offerings, product listings, and videos to web users. It can place ads in the res ...
, which serves the ads based on the local weather conditions, such as temperature, humidity, and cloudiness. In the same year, Google published documentation on how to use OpenWeather data to display weather conditions on
Google Maps Google Maps is a web mapping platform and consumer application offered by Google. It offers satellite imagery, aerial photography, street maps, 360° interactive panorama, interactive panoramic views of streets (Google Street View, Street View ...
. In 2020, Samsung included OpenWeatherMap into their Galaxy Watch Studio as weather data for the Galaxy Watch. In 2020, OpenWeatherMap released its weather application for
iOS Ios, Io or Nio (, ; ; locally Nios, Νιός) is a Greek island in the Cyclades group in the Aegean Sea. Ios is a hilly island with cliffs down to the sea on most sides. It is situated halfway between Naxos and Santorini. It is about long an ...
and
Android Android most commonly refers to: *Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), a mobile operating system primarily developed by Google * Android TV, a operating system developed ...
. OpenWeather provides data for
weather risk management Weather risk management is a type of risk management done by organizations to address potential financial losses caused by unusual weather. Overview Energy, agriculture, transportation, construction, municipalities, school districts, travel, food p ...
on an individual agreement basis. OpenWeather also operates under a Creative Commons Attribution-Share Alike license, providing free access to the APIs that include current weather, a minutely forecast for 1-hour, short-term history,
weather map A weather map, also known as synoptic weather chart, displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings. Such maps have been in use since the mi ...
s,
alerts Alert messaging (or alert notification) is machine-to-person communication that is important or time-sensitive. An alert may be a calendar reminder or a notification of a new message. Alert messaging emerged from the study of personal informatio ...
,
geocoding Address geocoding, or simply geocoding, is the process of taking a text-based description of a location, such as an address or the name of a place, and returning geographic coordinates, frequently latitude/longitude pair, to identify a locati ...
,
air quality Air pollution is the presence of substances in the Atmosphere of Earth, air that are harmful to humans, other living beings or the environment. Pollutants can be Gas, gases like Ground-level ozone, ozone or nitrogen oxides or small particles li ...
weather triggers, and weather widgets.


See also

*
AccuWeather AccuWeather, Inc. is a private-sector American media company that provides commercial weather forecasting services. AccuWeather was founded in 1962 by Joel N. Myers. The company adopted the name 'AccuWeather' in 1971. AccuWeather is headquar ...
*
Weather Underground The Weather Underground was a far-left Marxist militant organization first active in 1969, founded on the Ann Arbor campus of the University of Michigan. Originally known as the Weathermen, or simply Weatherman, the group was organized as a f ...
* ClimaCell * Visual Crossing


References


External links

* * {{url, https://openweather.co.uk/, Corporate website __FORCETOC__ Meteorological companies Meteorological data and networks