If the issue persists, unpair and re-pair your Apple Watch: Restart your Apple Watch - Apple Support.Restart your iPhone, iPad, or iPod touch - Apple Support.Restart (normally) both your iPhone and your Apple Watch, turning both devices off together, then restarting your iPhone first: If you are currently using a third-party weather app (such as Yahoo Weather) for your watch face complications, try removing it (via Edit, upper-right) and using Apple's built-in Weather app instead.On your iPhone, in the Watch app, go to: My Watch > Complications: It may also help to enable the setting for Weather.Check that Background App Refresh is enabled.On your iPhone, go to: Settings > General > Background App Refresh:
Weather display app Bluetooth#
Check that Location Services is enabled.On your iPhone, go to: Settings > Privacy > Location Services: On your iPhone, in the Watch app, go to: My Watch (tab) > Weather > Default City > choose Current Location (or a specific location from those that have been added to the Weather app on your iPhone, if preferred). One option is simply to wait - this resolved an issue with an unpopulated complication for one user. The following steps may help, having resolved issues with Weather app complications for other users.