To resolve the issue of the AccuWeather app not staying open on your Android device, follow these detailed steps:

1. Check for Software Updates:
- Go to the Settings app on your Android device.
- Scroll down and select System or About Phone.
- Tap on Software Update and check for any available updates. If there are updates, download and install them.

2. Clear the App's Cache:
- Open the Settings app.
- Navigate to Apps & notifications or Apps.
- Find and select AccuWeather.
- Tap on Storage.
- Tap on Clear Cache. This helps remove any temporary files that may be causing the app to crash.

3. Clear App Data:
- Still in the AccuWeather app settings, select Clear Data. Note that this may reset your preferences and settings in the app.

4. Check Device Storage:
- Ensure that your device has enough storage available as low storage can lead to app issues. You can check this in Settings > Storage.

5. Reinstall the App:
- If the problem persists, uninstall the app:
- Long press the AccuWeather app icon and select Uninstall.
- Reinstall it by visiting the Google Play Store, searching for AccuWeather, and tapping Install.

6. Restart Your Device:
- After completing the above steps, restart your device to apply the changes.

7. Check for Conflicting Apps:
- Some apps may conflict with AccuWeather. If you have any weather-related apps or widgets, try disabling or uninstalling them to see if that resolves the issue.

8. Update or Disable Widgets:
- If you have the AccuWeather widget on your home screen, consider removing it. Sometimes widgets can lead to app crashes.

For more detailed visual instructions, you can refer to a video guide on fixing the AccuWeather app crashes here - learn more.

If you continue to experience problems, consider reporting the issue within the app or check the AccuWeather support page for more solutions - learn more.