Weather API

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

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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

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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

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16 day forecast is available at any location or city
16 day forecast includes daily weather
Forecast is available in JSON and XML
Available for all paid accounts

Historical data

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Through our API we provide city historical weather data for 37,000+ cities
Historical data is available for 1 month previous in Starter account, for 1 year previous in Medium accounts, and for 5 years in History Bulk

History Bulk

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We have recently launched History Bulk functionality that provides weather data for 37,000+ cities.
Historical data is available for 5 years and Pricing is simple and easy - just $10 for one city, no matter how much data will you receive.

Weather map layers

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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

UV Index ^BETA

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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 stations

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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

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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

Weather alerts

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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.

Air pollution ^BETA

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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

For agriculture ^NEW!

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We now provide historical accumulated temperature data and historical accumulated precipitation data (since October 2012).
This API service is included in the Historical subscriptions by default with the appropriate time limits. Please contact us if you would like to use this API separately.