Watchface Builder for Garmin

Watchface Builder for Garmin


Version 5.1.0

  • Added data fields from Open Weather Map

The Open Weather Map (OWM) API provides the following weather data for any geographical coordinates: (signup here to get your free API key)

  • Reverse geocoding (return the location name, state, country)
  • Current weather
  • Minute forecast for 1 hour
  • Hourly forecast for 48 hours
  • Daily forecast for 7 days

When you add any OWM data field, online builder will create two files (one APPID.prg, the other APPID-settings.json). Before you copy both files into the Garmin/Apps folder, you will need to modify the APPID-settings.json, and replace the “demo” with your OWM API key.



Without your own OWM API key, system will use a shared free key to retrieve data from OWM. But each free key has daily limits of 1000 calls, so eventually it will reach its limits and no data will be returned.

If you use OWM fields in your design, your watch face should retrieve data from internet every 30 minutes. But if you moved (approximately 1km), your watch face will retrieve data from internet in 5 or less minutes, depends on when the data were retrieved last time.

If you have any questions, please ask them at the reddit forum.