Documentation

How to migrate from Dark Sky API to OpenWeather One Call API®

With our One Call API, you can easily migrate from the Dark Sky API and get access to core weather data such as current weather, forecast and historical weather with only one call to the API.

Features of OpenWeather One Call API

One Call API, endpoint version 4.0, contains 6 endpoints and provides access to various data:

Matching parameters of Dark Sky API and OpenWeather One Call API 3.0To match Dark Sky API parameters to the equivalent OpenWeather One Call API 3.0 parameters, please use this table.

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How to start using One Call API

There are 3 simple steps:

Sign up for the OpenWeather service if you do not have an OpenWeather API key yet.
Visit the pricing page and click the 'Subscribe' button in the "One Call API" section. Fill out a short billing form and complete your subscription. Please note that you do not need to sign up for any other subscriptions to get access to the One Call API. Once you subscribe to the One Call API, 2,000 API calls per day to this product are set up by default. If you want to change this limit, please go to the "Billing plans" tab in your Personal account to update standard settings. You can find more information in the FAQ or ask Ulla, the OpenWeather AI assistant.
Select the desired data type and make an API call according to the relevant technical documentation section, remembering to add your key to each call.

One Call API, endpoint version 4.0 documentation (complete description of API calls and parameters in API response, with examples).

One Call API documentation

Matching parameters

One Call API	Dark Sky API	Description
`timezone`	`timezone`	Time zone name of the requested location
Current weather
`dt`	`time`	UTC time zone
`sunrise`	`sunriseTime`	Sunrise time, unix, UTC
`sunset`	`sunsetTime`	Sunset time, unix, UTC
`temp`	`temperature`	Temperature. Unit Default: Kelvin.How to change units format
`feels_like`	`apparentTemperature`	Feels like. Unit Default: Kelvin.How to change units format
`pressure`	`pressure`	Atmospheric pressure on the sea level, hPa
`humidity`	`humidity`	Humidity, %
`dew_point`	`dewPoint`	Dew point. Unit Default: Kelvin.How to change units format
`clouds`	`cloudCover`	Cloudiness, %
`wind_speed`	`windSpeed`	Wind speed. Unit Default: meter/sec.How to change units format
`wind_gust`	`windGust`	Wind gust. Unit Default: meter/sec.How to change units format
`wind_deg`	`windBearing`	Wind direction, degrees (meteorological)
`weather.description`	`summary`	Weather condition within the group.Full list of weather conditionsYou can get the output in your language.Learn more
`weather.icon`	`icon`	Weather icon id. How to get icons
`rain`	`precipIntensity`	Precipitation volume, mm
`snow`	`precipIntensity`	Snow volume, mm
`uvi`	`uvIndex`	UV index
`visibility`	`visibility`	Average visibility, meters
Minute forecast for 1 hour
`dt`	`time`	Time of forecasted data, unix, UTC
`precipitation`	`precipIntensity`	Precipitation volume, mm
1 hour step timeline
`dt`	`time`	Time of forecasted data, unix, UTC
`temp`	`temperature`	Temperature. Unit Default: Kelvin.How to change units format
`feels_like`	`apparentTemperature`	Feels like. Unit Default: Kelvin.How to change units format
`pressure`	`pressure`	Atmospheric pressure on the sea level, hPa
`humidity`	`humidity`	Humidity, %
`dew_point`	`dewPoint`	Dew point. Unit Default: Kelvin.How to change units format
`clouds`	`cloudCover`	Cloudiness, %
`wind_speed`	`windSpeed`	Wind speed. Unit Default: meter/sec.How to change units format
`wind_gust`	`windGust`	Wind gust. Unit Default: meter/sec.How to change units format
`wind_deg`	`windBearing`	Wind direction, degrees (meteorological)
`weather.description`	`summary`	Weather condition within the group.Full list of weather conditionsYou can get the output in your language.Learn more
`weather.icon`	`icon`	Weather icon id. How to get icons
`rain`	`precipIntensity`	Precipitation volume, mm
`snow`	`precipIntensity`	Snow volume, mm
`visibility`	`visibility`	Average visibility, meters
1 day step timeline
`dt`	`time`	Time of data forecasted, unix, UTC
`pressure`	`pressure`	Atmospheric pressure on the sea level, hPa
`humidity`	`humidity`	Humidity, %
`dew_point`	`dewPoint`	Unit Default: Kelvin.How to change units format
`clouds`	`cloudCover`	Cloudiness, %
`wind_speed`	`windSpeed`	Wind speed. Unit Default: meter/sec.How to change units format
`wind_gust`	`windGust`	Wind gust. Unit Default: meter/sec.How to change units format
`wind_deg`	`windBearing`	Wind direction, degrees (meteorological)
`weather.description`	`summary`	Weather condition within the group.Full list of weather conditionsYou can get the output in your language.Learn more
`weather.icon`	`icon`	Weather icon id. How to get icons
`rain`	`precipIntensity`	Precipitation volume, mm
`snow`	`precipIntensity`	Snow volume, mm
`uvi`	`uvIndex`	UV index
`visibility`	`visibility`	Average visibility, meters