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Weather app showing several services at once?
(discuss.tchncs.de)
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
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I use AF weather
https://github.com/Gitsaibot/AF-Weather-Widget
to put multiple widgets for different locations on the screen. Shows at a glance the next 24 hours.
Supports US and EU locations which is a plus.