To resolve the issue of your Wearfit Pro not syncing weather information in Singapore, follow these detailed steps:

1. Check Internet Connection: Ensure that your smartphone has a stable internet connection. The weather syncing relies on real-time data from the internet.

2. Enable Location Services: Make sure that location services are enabled on your smartphone. Go to your phone's settings, then:
- For Android: Settings > Location > Turn on Location.
- For iOS: Settings > Privacy > Location Services > Ensure it's turned on for the Wearfit Pro app.

3. Open the Wearfit Pro App: Launch the Wearfit Pro app on your smartphone. Keep the app open for a few minutes, allowing it to sync location data and refresh the weather information from the server. This often helps in updating the weather display on your watch.

4. Sync the Watch Manually: Go to the Wearfit Pro app and look for a 'sync' or 'refresh' option to manually update the watch. This can sometimes resolve temporary syncing issues.

5. Check App Permissions: Verify that the Wearfit Pro app has the necessary permissions to access your location and data:
- For Android: Settings > Apps > Wearfit Pro > Permissions.
- For iOS: Settings > Wearfit Pro > Ensure Location is set to "While Using the App" or "Always".

6. Update the App: Ensure that you are using the latest version of the Wearfit Pro app. Go to the App Store or Google Play Store, search for Wearfit Pro, and check for any available updates.

7. Reboot Devices: Restart both your smartphone and the Wearfit Pro watch. Power off the devices completely, wait for a moment, then turn them back on.

8. Reconnect the Watch: If the problem persists, consider unpairing and then re-pairing the watch:
- Unpair from Bluetooth settings on your smartphone.
- In the Wearfit Pro app, go to settings and remove the watch.
- Re-pair the watch by following the prompts in the app.

9. Reset the Watch: If none of the above steps work, you may need to reset your Wearfit Pro watch to factory settings. Refer to the watch's manual for the reset procedure, and note that this will erase all data on the watch.

10. Consult Support: If you still cannot sync the weather, contacting customer support for further assistance may be necessary.

By systematically following these steps, you should be able to resolve the weather syncing issue on your Wearfit Pro in Singapore.

For additional troubleshooting, you can watch a detailed guide on how to solve sync problems with weather information - learn more.