Our weather API is simple, clear and free. We also offer higher levels of support, please see our paid plan options. To access the API you need to sign up for an API key if you are on a free or paid plan.

Current weather data

• Access current weather data for any location including over 200,000 cities
• Current weather is frequently updated based on global models and data from more than 40,000 weather stations
• Data is available in JSON, XML, or HTML format
• Available for Free and all other paid accounts

5 day / 3 hour forecast

• 5 day forecast is available at any location or city
• 5 day forecast includes weather data every 3 hours
• Forecast is available in JSON and XML
• Available for Free and all other paid accounts

16 day / daily forecast

• 16 day forecast is available at any location or city
• 16 day forecasts includes daily weather
• Forecast is available in JSON and XML
• Available for Developer, Professional and Enterprise accounts

Historical data

• Through our API we provide city historical weather data for 20,000+ cities
• Historical data is available for 1 month previous in Starter account, for 1 year previous in Medium accounts, and is 5 and more year previous in Advanced accounts

UV Index ^BETA

• Current UV index (Clear Sky) and historical data are available for any geo location (lat/lon)
• Interpreting of the UV Index and recommended protection are provided
• Data is available in JSON
• Available for Professional and Enterprise accounts

Weather map layers

• Weather maps include precipitation, clouds, pressure, temperature, wind, and more
• Connect our weather maps to your mobile applications and websites
• Use as layers in Direct Tiles, OpenLayers, Leaflet, and Google Maps
• Available for Free and all other paid accounts

Weather stations ^NEW!

• API for managing your personal weather stations
• Creation of the station and measurements transfer
• Receiving the aggregated measurements from the station
• Available for Free and all other paid accounts

Bulk downloading

• We provide number of bulk files with current weather and forecasts
• Current weather bulk is available for 20,000 cities
• Variety of hourly and daily forecast bulks depends on frequency of data updating
• Available for Professional and Enterprise accounts

Air pollution ^BETA

• We provide current and historical (since November 2015) data on air pollution with main indexes of CO, O3, NO2 and SO2.
• Air pollution: ways to forecast and calculate it

Weather alerts ^NEW!

• Simple syntax to create triggers which will be working upon the occurrence of specified weather conditions (temperature, humidity, pressure, etc.) in a certain period of time.
• The alerts will be generated in our service after performing conditions of the trigger.

API documentation

How to start

• How to get API key
• How to use API key
• How to get accurate API respond

Current weather data

• Call current weather data for one location
  • By city name
  • By city ID
  • By geographic coordinates
  • By ZIP code
• Call current weather data for several cities
  • Cities within a rectangle zone
  • Cities in cycle
  • Call for several city IDs
• Bulk downloading
• Parameters of API respond
  • JSON
  • XML
  • List of condition codes
  • Min/max temperature in current weather API and forecast API
• Other features
  • Format
  • Search accuracy
  • Units format
  • Multilingual support
  • Call back function for JavaScript code

5 day / 3 hour weather forecast

• Call 5 day / 3 hour forecast data
  • By city name
  • By city ID
  • By geographic coordinates
• Bulk downloading
• Parameters of API respond
  • JSON
  • XML
  • List of condition codes
  • Min/max temperature in current weather API and forecast API
• Other features
  • Format
  • Search accuracy
  • Limitation of result
  • Units format
  • Multilingual support
  • Call back function for JavaScript code

16 day / daily weather forecast

• Call 16 day / daily forecast data
  • By city name
  • By city ID
  • By geographic coordinates
• Bulk downloading
• Parameters of API respond
  • JSON
  • XML
  • List of condition codes
  • Min/max temperature in current weather API and forecast API
• Other features
  • Format
  • Search accuracy
  • Limitation of result
  • Units format
  • Multilingual support
  • Call back function for JavaScript code

Historical data for cities

• Call historical data for cities
  • By city ID
  • By city name
  • By geographic coordinates
• Parameters of API respond
  • JSON
  • List of condition codes
  • Min/max temperature in historical weather API and forecast API

UV index

• Current UV Index for one location
• Historical UV Index for one location
• How to use the UV index

Air pollution (beta)

• Carbon Monoxide Data (CO)
• Ozone Data (O3)

Bulk downloading

• Forecast bulks
• Current weather bulks

Weather stations

• Three simple steps
• Weather Stations API 3.0 basic methods
• Additional features

Map layers

• How to connect map layers
• Embed weather layer with array of weather data
• Embed weather layer with tile server
• Libraries to connect weather layers
• XML legend
• Examples of map layers
• Clouds
• Precipitations
• Sea level pressure
• Wind speed
• Temperature
• Snow
• Current weather
• Full list of weather map layers

Weather alerts

• Three simple steps
• Weather Triggers API basic methods
• Additional features
• Weather Triggers Struct

Partners and solutions of API use

• Google solutions, Ubuntu mobile, Android, Java, PHP, big library on GitHub and others

Support Center

• FAQ
• Ask Support Center