Languages:

The lang parameter can take any of the possible values:

• ar: Arabic
• az: Azerbaijani
• be: Belarusian
• bg: Bulgarian
• bs: Bosnian
• ca: Catalan
• cs: Czech
• da: Danish
• de: German
• el: Greek
• en: English (which is the default)
• es: Spanish
• et: Estonian
• fi: Finnish
• fr: French
• he: Hebrew
• hr: Croatian
• hu: Hungarian
• id: Indonesian
• is: Icelandic
• it: Italian
• ja: Japanese
• ka: Georgian
• ko: Korean
• kw: Cornish
• lv: Latvian
• nb: Norwegian Bokmål
• nl: Dutch
• no: Norwegian Bokmål (alias for nb)
• pl: Polish
• pt: Portuguese
• ro: Romanian
• ru: Russian
• sk: Slovak
• sl: Slovenian
• sr: Serbian
• sv: Swedish
• tet: Tetum
• tr: Turkish
• uk: Ukrainian
• x-pig-latin: Igpay Atinlay
• zh: simplified Chinese
• zh-tw: traditional Chinese

If you require a language not listed here, please consider contributing to our API translation module on Github.

Units:

The units field can take the following options:

• auto: automatically select units based on geographic location
• ca: same as si, except that windSpeed and windGust are in kilometers per hour
• uk2: same as si, except that nearestStormDistance and visibility are in miles, and windSpeed and windGust in miles per hour
• us: Imperial units (the default)
• si: SI units

SI units are as follows:

• summary: Any summaries containing temperature or snow accumulation units will have their values in degrees Celsius or in centimeters (respectively).
• nearestStormDistance: Kilometers.
• precipIntensity: Millimeters per hour.
• precipIntensityMax: Millimeters per hour.
• precipAccumulation: Centimeters.
• temperature: Degrees Celsius.
• temperatureMin: Degrees Celsius.
• temperatureMax: Degrees Celsius.
• apparentTemperature: Degrees Celsius.
• dewPoint: Degrees Celsius.
• windSpeed: Meters per second.
• windGust: Meters per second.
• pressure: Hectopascals.
• visibility: Kilometers.