Bulk Download

The service allows you to regularly download current weather, weather forecasts and their 7-day archives in JSON or CSV format. Weather bulks are grouped by types of weather data and location lists, such as a variety of city lists or ZIP code lists of EU, UK, and US.

About

Current, forecast and historical weather data is available via regulary updated JSON or CSV files. In order to receive this data, you will need to download an archive via provided link. Each archive will contain selected weather data by chosen locations lists.

Please note, that this product is available for Professional and Enterprise subscription plans. Both subscriptions have access to all types of weather data (current weather, forecasts, bulk archives) and data formats. Professional subscription allows downloading weather data by list of major cities and exteneded cities list accrose the globe. Enterprise subscription also includes access to bulk files by ZIP codes (EU, UK, US).

There is a possibility to create a custom regularly updated current, forecast and historical bulks. Please contact us to learn more about it.

How to use the service

  1. Use links of the following types in order to access bulks files:

    To get Current and Forecast bulks files:

    https://bulk.openweathermap.org/snapshot/{BULK_FILE_NAME}?appid={API key}

    To get access to 7-days archive of current and forecasts bulk files:

    https://bulk.openweathermap.org/archive/{BULK_FILE_NAME}?appid={API key}
    Parameters
    {BULK_FILE_NAME} required Specified in the "File name" table column in the "Types of bulk files" section
    appid required Your unique API key (you can always find it on your account page under the "API key" tab)

    All bulk files available both in JSON and CSV formats. File names provided in the tables below are relevant for JSON format. If you want to upload data in the CSV formate, please change json on csv in the file name.

    Examples:

    JSON file name: weather_16.json.gz
    CSV file name: weather_16.csv.gz

  2. Unpack the downloaded file by using any suitable archiver software. After this is done, you will have a JSON or CSV format file that is ready to use. The file implies line-by-line processing.

    Examples of bulk files can be found here: bulk samples.

  3. To download updated weather data, please also use the same link. Data in the files get updated in accordance with the schedule found in the "Updated" column of the downloaded file.

    Please note that weather data in the fill is rewritten regularly.

Types of bulk files

There are 3 types of bulk files: Current bulk, Forecasts bulks and 7-days archive weather bulks.

Please note that scheduled update times are specified in UTC.

Current weather bulks

With Current weather bulk you can upload bulk file of current weather for chosen city lists and ZIP codes locations lists.

Examples of bulk files can be found here: bulk samples. Please pay attention that weather_14.json.gz and weather_16.json.gz files refer for current weather.

File name Number of locations Updated, UTC time
weather_14.json.gz 22,635 cities 1 time/hour
(00:10, 01:10, 02:10,...)
weather_16.json.gz 209,579 cities 1 time/hour
(00:20, 01:20, 02:20,...)
weather_zip_eu.json.gz 153,952
EU ZIP codes		 1 time/hour
(00:20, 01:20, 02:20,...)
weather_zip_us.json.gz 41,959
US ZIP codes		 1 time/hour
(00:20, 01:20, 02:20,...)
weather_zip_uk.json.gz 15,225
UK ZIP codes		 1 time/hour
(00:20, 01:20, 02:20,...)

Example of link to download bulk file in CSV format

https://bulk.openweathermap.org/snapshot/weather_zip_us.csv.gz?appid={API key}

If you are interested in to get Current bulk files for 7 previous days, please read "7-day archives of bulk files" section.

Forecast bulks

WIth Forecast bulk you can upload bulk file of Forecast weather with a variable data granulation for chosen cities and ZIP codes locations.

Examples of bulk files can be found here: bulk samples. Please pay attention that hourly_14.json.gz, hourly_16.json.gz, daily_14.json.gz and daily_16.json.gz files refer for forecast weather.

Hourly forecast for 4 days ahead

File name Number of locations Updated, UTC time
hourly1h_14.json.gz 22,635 cities 4 times/day
(03:00, 09:00, 15:00, 21:00)
hourly1h_16.json.gz 209,579 cities 4 times/day
(03:00, 09:00, 15:00, 21:00)
hourly1h_zip_eu.json.gz 153,952
EU ZIP codes		 2 times/day
(08:00, 20:00)
hourly1h_zip_us.json.gz 41,959
US ZIP codes		 2 times/day
(08:00, 20:00)
hourly1h_zip_uk.json.gz 15,225
UK ZIP codes		 2 times/day
(08:00, 20:00)

Example of link to download bulk file in CSV format

https://bulk.openweathermap.org/snapshot/hourly1h_zip_eu.csv.gz?appid={API key}

Daily forecast for 16 days ahead

File name Number of locations Updated, UTC time
daily_14.json.gz 22,635 cities 2 times/day
(07:00, 19:00)
daily_16.json.gz 209,579 cities 2 times/day
(07:00, 19:00)
daily_zip_eu.json.gz 153,952
EU ZIP codes		 2 times/day
(08:00, 20:00)
daily_zip_us.json.gz 41,959
US ZIP codes		 2 times/day
(08:00, 20:00)
daily_zip_uk.json.gz 15,225
UK ZIP codes		 2 times/day
(08:00, 20:00)

Example of link to download bulk file in CSV format

https://bulk.openweathermap.org/snapshot/daily_zip_uk.csv.gz?appid={API key}

3-hour step forecast for 5 days ahead

File name Number of locations Updated, UTC time
hourly_14.json.gz 22,635 cities 1 time/hour
(00:10, 01:10, 02:10,...)
hourly_16.json.gz 209,579 cities 2 times/day
(07:00, 19:00)
hourly_zip_eu.json.gz 153,952
EU ZIP codes		 2 times/day
(08:00, 20:00)
hourly_zip_us.json.gz 41,959
US ZIP codes		 2 times/day
(08:00, 20:00)
hourly_zip_uk.json.gz 15,225
UK ZIP codes		 2 times/day
(08:00, 20:00)

Example of link to download bulk file in CSV format

https://bulk.openweathermap.org/snapshot/hourly_zip_eu.csv.gz?appid={API key}

If you are interested in to get Forecasts bulk files for 7 previous days, please read "7-day archives of bulk files" section.

7-day archive of current and forecast weather bulks files

You can get all weather bulks files for the 7 previous days. The structure of data the same as for current and forecasts bulks files.

7-day archive of current weather bulk files

File name Number of locations Available data per day,
UTC time
weather_14_mmddyy_hhmm.json.gz

Example of file name: weather_14_011020_0200.json.gz

 22,635 cities 01:00, 02:00, 03:00, 04:00, 05:00, 06:00, 07:00, 08:00, 09:00, 10:00, 11:00, 12:00, 13:00, 14:00, 15:00, 16:00, 17:00, 18:00, 19:00, 20:00, 21:00, 22:00, 23:00, 00:00
weather_16_mmddyy_hhmm.json.gz

Example of file name: weather_16_011020_0200.json.gz

 209,579 cities 01:00, 02:00, 03:00, 04:00, 05:00, 06:00, 07:00, 08:00, 09:00, 10:00, 11:00, 12:00, 13:00, 14:00, 15:00, 16:00, 17:00, 18:00, 19:00, 20:00, 21:00, 22:00, 23:00, 00:00
weather_zip_eu_mmddyy_hhmm.json.gz

Example of file name: weather_zip_eu_011020_2000.json.gz

 153,952
EU ZIP codes		 01:00, 02:00, 03:00, 04:00, 05:00, 06:00, 07:00, 08:00, 09:00, 10:00, 11:00, 12:00, 13:00, 14:00, 15:00, 16:00, 17:00, 18:00, 19:00, 20:00, 21:00, 22:00, 23:00, 00:00
weather_zip_us_mmddyy_hhmm.json.gz

Example of file name: weather_zip_us_011020_2000.json.gz

 41,959
US ZIP codes		 01:00, 02:00, 03:00, 04:00, 05:00, 06:00, 07:00, 08:00, 09:00, 10:00, 11:00, 12:00, 13:00, 14:00, 15:00, 16:00, 17:00, 18:00, 19:00, 20:00, 21:00, 22:00, 23:00, 00:00
weather_zip_uk_mmddyy_hhmm.json.gz

Example of file name: weather_zip_uk_011020_2000.json.gz

 15,225
UK ZIP codes		 01:00, 02:00, 03:00, 04:00, 05:00, 06:00, 07:00, 08:00, 09:00, 10:00, 11:00, 12:00, 13:00, 14:00, 15:00, 16:00, 17:00, 18:00, 19:00, 20:00, 21:00, 22:00, 23:00, 00:00

Example of link to download bulk file in CSV format

https://bulk.openweathermap.org/archive/weather_zip_uk_011020_2000.csv.gz?appid={API key}

7-day archive of hourly forecast for 4 days ahead

File name Number of locations Available data per day,
UTC time
hourly1h_14_mmddyy_hhmm.json.gz

Example of file name: hourly1h_14_011020_0200.json.gz

 22,635 cities 02:00, 08:00, 14:00, 20:00
hourly1h_16_mmddyy_hhmm.json.gz

Example of file name: hourly1h_16_011020_0200.json.gz

 209,579 cities 02:00, 08:00, 14:00, 20:00
hourly1h_zip_eu_mmddyy_hhmm.json.gz

Example of file name: hourly1h_zip_eu_011020_2000.json.gz

 153,952
EU ZIP codes		 07:00, 19:00
hourly1h_zip_us_mmddyy_hhmm.json.gz

Example of file name: hourly1h_zip_us_011020_2000.json.gz

 41,959
US ZIP codes		 07:00, 19:00
hourly1h_zip_uk_mmddyy_hhmm.json.gz

Example of file name: hourly1h_zip_uk_011020_2000.json.gz

 15,225
UK ZIP codes		 07:00, 19:00

7-day archive of daily forecast for 16 days ahead

File name Number of locations Available data per day,
UTC time
daily_14_mmddyy_hhmm.json.gz

Example of file name: daily_14_011020_0200.json.gz

 22,635 cities 06:00, 18:00
daily_16_mmddyy_hhmm.json.gz

Example of file name: daily_16_011020_0200.json.gz

 209,579 cities 06:00, 18:00
daily_zip_eu_mmddyy_hhmm.json.gz

Example of file name: daily_zip_eu_011020_2000.json.gz

 153,952
EU ZIP codes		 07:00, 19:00
daily_zip_us_mmddyy_hhmm.json.gz

Example of file name: daily_zip_us_011020_2000.json.gz

 41,959
US ZIP codes		 07:00, 19:00
daily_zip_uk_mmddyy_hhmm.json.gz

Example of file name: daily_uk_011020_2000.json.gz

 15,225
UK ZIP codes		 07:00, 19:00

7-day archive of 3-hour step forecast for 5 days ahead

File name Number of locations Available data per day,
UTC time
hourly_14_mmddyy_hhmm.json.gz

Example of file name: hourly_14_011020_0200.json.gz

 22,635 cities 01:00, 02:00, 03:00, 04:00, 05:00, 06:00, 07:00, 08:00, 09:00, 10:00, 11:00, 12:00, 13:00, 14:00, 15:00, 16:00, 17:00, 18:00, 19:00, 20:00, 21:00, 22:00, 23:00, 00:00
hourly_16_mmddyy_hhmm.json.gz

Example of file name: hourly_16_011020_0200.json.gz

 209,579 cities 06:00, 18:00
hourly_zip_eu_mmddyy_hhmm.json.gz

Example of file name: hourly_zip_eu_011020_2000.json.gz

 153,952
EU ZIP codes		 07:00, 19:00
hourly_zip_us_mmddyy_hhmm.json.gz

Example of file name: hourly_zip_us_011020_2000.json.gz

 41,959
US ZIP codes		 07:00, 19:00
hourly_zip_uk_mmddyy_hhmm.json.gz

Example of file name: hourly_uk_011020_2000.json.gz

 15,225
UK ZIP codes		 07:00, 19:00

Location lists

There are 5 lists of locations for each type of weather data:

  • List of major cities across the globe - 22,635 cities. You can download the full list of cities here
  • Extended cities list across the globe - 209,579 cities. You can download the full list of cities here
  • Full list of the US ZIP codes
  • Full list of the UK ZIP codes
  • Full list of the all Europe ZIP codes

Bulk file samples

Samples of bulk files can be downloaded here: bulk samples.

Please pay attention that:

  • weather_14.json.gz and weather_16.json.gz files refer for current weather
  • hourly_14.json.gz, hourly_16.json.gz, daily_14.json.gz and daily_16.json.gz files refer for forecast weather
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