To change the units used for the temperature in the Weather app:
- In the Fitbit app, tap the Today tab
> your profile picture > your device image > Apps. - Tap the gear icon
next to Weather. You may need to swipe up to find the app. - In the Temperature Unit section, tap Units and choose the unit you want to use.
- Sync your device and then open the Weather app
on your device to see the updated units.
Before posting, re-read to see if it would make sense to someone else not looking at your Fitbit or phone.