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Open source software for your weather station


The WeeWX weather system is written in Python and runs on Linux, MacOSX, Solaris, and *BSD. It runs exceptionally well on a Raspberry Pi. It generates plots, HTML pages, and monthly and yearly summary reports, which can be uploaded to a web server. Thousands of users worldwide!

See the WeeWX website for examples of web sites generated by WeeWX, and a map of stations using WeeWX.

  • Robust and hard-to-crash
  • Designed with the enthusiast in mind
  • Simple, easy to understand internal design that is easily extended (Python skills recommended)
  • Python 2 or Python 3
  • Growing ecosystem of 3rd party extensions
  • Internationalized language support
  • Localized date/time support
  • Support for US and metric units
  • Support for multiple skins
  • Support sqlite and MySQL
  • Extensive almanac information
  • Uploads to your website via FTP, FTPS, or rsync
  • Uploads to online weather services

Support for many online weather services, including:

  • The Weather Underground
  • CWOP
  • PWSweather
  • WOW
  • Open Weathermap
  • WeatherBug
  • Weather Cloud
  • Wetter
  • Windfinder

Support for many data aggregation services, including:

  • EmonCMS
  • Graphite
  • InfluxDB
  • MQTT
  • Smart Energy Groups
  • Thingspeak
  • Twitter
  • Xively

Support for over 70 types of hardware including, but not limited to:

  • Davis Vantage Pro, Pro2, Vue, Envoy;
  • Oregon Scientific WMR100, WMR300, WMR9x8, and other variants;
  • Oregon Scientific LW300/LW301/LW302;
  • Fine Offset WH10xx, WH20xx, and WH30xx series (including Ambient, Elecsa, Maplin, Tycon, Watson, and others);
  • Fine Offset WH23xx, WH4000 (including Tycon TP2700, MiSol WH2310);
  • Fine Offset WH2600, HP1000 (including Ambient Observer, Aercus WeatherSleuth, XC0422);
  • LaCrosse WS-23XX and WS-28XX (including TFA);
  • LaCrosse GW1000U bridge;
  • Hideki TE923, TE831, TE838, DV928 (including TFA, Cresta, Honeywell, and others);
  • PeetBros Ultimeter;
  • RainWise CC3000 and MKIII;
  • AcuRite 5-in-1 via USB console or bridge;
  • Argent Data Systems WS1;
  • KlimaLogg Pro;
  • New Mountain;
  • AirMar 150WX;
  • Texas Weather Instruments;
  • Dyacon;
  • Meteostick;
  • Ventus W820;
  • Si1000 radio receiver;
  • Software Defined Radio (SDR);
  • One-wire (including Inspeed, ADS, AAG, Hobby-Boards).

See the hardware list for a complete list of supported stations, and for pictures to help identify your hardware! The hardware comparison shows specifications for many different types of hardware, including some not yet supported by WeeWX.


For current and previous releases:

Documentation and Support

Guides for installation, upgrading, and customization are in docs/readme.htm or at:

The wiki includes user-contributed extensions and suggestions at:

Community support can be found at:


WeeWX is licensed under the GNU Public License v3.