Q: The battery level bubble (which also has the phone finder) is almost always incorrect, sometimes by about 20%. Is there a setting that I’m missing that would make this bubble indicate the correct battery level?
9folders.com/articles/8697- how-to-turn-off-battery- optimization-on-the-google- android-6-7-and-8-devices
Other Weather related troubleshooting
Please see the following post: How to add weather?