https://f-droid.org/en/packages/com.kolakek.pimiwidget/
Pimi Weather Widget | F-Droid - Free and Open Source Android App Repository
Pixel-style Android widget that shows the date and weather.
weather widget fdroid free
https://f-droid.org/en/packages/net.gitsaibot.af/
AF Weather Widget | F-Droid - Free and Open Source Android App Repository
Graph weather widget for Android
weather widget fdroid freeaf