Hello @rembrant
You can change the unit of temperature within the app store app for your Fitbit Versa/Versa Lite on your phone.
1: Open the Fitbit App
2: On the top right of the app, press the watch icon next to the battery symbol icon
3: You'll see 6 big icons. Press the "Apps" picture - it will automatically open the "My Apps" page.
4: Scroll down till you see the "Weather" app. Press the settings cog.
5: In this page, you will see at the top an option for units. Press it and change it to Fahareineht and press done.
6: Sync your watch to your phone - job done.
