Cirrus
Cirrus is a free, open-source weather app for Android. Weather and rain radar for any location - worldwide. It has 621 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
- Android
- Java
- Weather
- Actively maintained
About Cirrus
Weather and rain radar for any location - worldwide Weather data is provided via the free API from Open-Meteo.com and LibreWXR. Features: - Current weather - Hourly forecasts for up to 16 days - Rain radar - Widget with optional GPS auto position update - No advertisement Minimum permissions: Cirrus only requires the minimum amount of permission, namely only the INTERNET permission. This permission is necessary to make HTTP requests to remote servers for retrieving weather data. Optional: authorization for GPS.
Privacy and F-Droid
F-Droid builds Cirrus from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
- Depends on the developer's own network service
Screenshots
Screenshots from the app's F-Droid listing.
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What is Cirrus?
Cirrus is a free, open-source weather app for Android. Weather and rain radar for any location - worldwide. It has 621 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
Is Cirrus free and open source?
Yes. Cirrus's source code is public on GitHub under the GPL-3.0-only license, which is OSI-approved or FSF-free. F-Droid flags these anti-features on its latest build: depends on the developer's own network service.
How do I install Cirrus?
You can install Cirrus from F-Droid (package org.woheller69.omweather); the links are on this page. Its GitHub repository also publishes releases (latest: V5.0).
Is Cirrus still maintained?
The repository's most recent commit was on Sep 19, 2026. Its F-Droid listing was last updated on Sep 21, 2026. appsgit only lists apps whose repository had a commit in the last six months.