Clear Outside v1.1
First Light Optics
About this app
Developer Description
Reliable weather forecasts for astronomers with an emphasis on cloud cover.
Features include:
• Seven day hourly forecasts, updated hourly.
• Low, medium, high and total cloud cover.
• Moon rise/set times and phase.
• Sun rise/set and transit.
• Civil/nautical/astronomical darkness.
• International Space Station (ISS) pass-over information.
• Location search automatically provides a forecast for your location.
• Save favourite locations for easy access.
• Covers daytime too so also useful for solar observers/imagers.
Updated hourly. Frequent hourly updates are important because often the clear spell between showers provides excellent seeing and 30-minutes under a clear sky with a grab-&-go telescopes is pure gold!
Did you notice the ISS pass-over information? The times are precisely calculated for your location and displayed alongside the cloud forecasts so it has never been easier to observe. It is our favourite feature :-)
Also includes regular weather data (wind, rain, frost, temperature, dew point, etc) so perfect for those wanting a detailed weather forecast, without cutesy graphics.
We have had a lot of fun building and testing Clear Outside and are keen to to develop it further so if you find it useful or have suggestions, please let us know.
What's New
Version Information
- Version
- 1.1
- Downloads
- 100K+
- Updated on
- Feb 12, 2015
- Released
- Feb 7, 2015
- Requires
- Android 4.0.3
Statistics
Google Play Rating History
Rating Distribution
Downloads Over Time
Clear Outside has been downloaded times. Over the past 30 days, it averaged downloads per day.
Shaded area shows 30-day prediction based on historical trends
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Clear Outside users say on Google Play
Umar Farooq
I've kept my old android device just to use this (and a couple of other) apps that are not supported in newer devices. There is no app that I can find that even comes close to the level of information in this app. I do hope FLO can bring themselves to revive their support for this application or at least make it open source so that someone can continue their great work.
Ian Parr
Great tool for Astrophotography. Predictions uncannily accurate for Blue Mountains in Sydney. Really sad it has not been updated to support new versions of Android so it only works on an older tablet but NOT with Android 14. Please please update. Happy to pay for an update when available so I can use it on new devices.
Katie McGuinness
As an astrophotographer, Clear Outside is my go-to app for planning my astro trips. It is so invaluable, with an excellent UI and the ability to save multiple locations. Plus, the app even shows ISS transit times. Why only 3 stars? Well it's not compatible with my new phone which is on Android 15! Multiple users have raised this with the developers. Over a year after being notified of this problem,they don't seem in any rush to sort it.
Jim Markgraf
This was my go-to app for quite some time but, since upgrading my device, I can no longer install it. I wish the devs would update it to officially support newer versions of Android. I know it will run on Android 16 since it worked on my Pixel 6 until I wiped the phone.
Malynn Tait
'this version is not available for my device' - Samsung S25. I've sent numerous emails, which have all been ignored. I'm a photographer & this app was my 'go to' for years. The Samsung S25 phone was released on February 7th, 2025 & it's a poor effort that the app has not been updated...
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