4.9 Safe to install
Unlock the Skies with Xasteria: An Astronomer's Must-Have Weather App

Xasteria delivers accurate and detailed weather forecasts tailored for astronomy enthusiasts, helping users plan their stargazing adventures with confidence.
Xasteria was originally developed to provide iOS users with the excellent ASTRO weather forecast from 7Timer. It offers worldwide coverage and boasts one of the most accurate astro-seeing models, making it an invaluable tool for stargazers.
The app has now been expanded to provide quick access to a range of popular weather resources and tools. These include Clear Sky Charts (for North American users), Clear Outside, Meteoblue, Windy, Astrospheric, Sat24.com, water vapor satellite images, and light pollution maps. Additionally, Xasteria displays ISS and satellite passes for your location using data from heavens-above.com.
The primary forecast source, 7Timer, relies on the NOAA/NCEP-based Global Forecast System (GFS), which offers a comprehensive forecast with a resolution of approximately 20km at 3-hour intervals, covering the entire globe.
With Xasteria, you can access a range of essential data, such as Sun/Moon rise/set times, twilight times, moon phase, cloud cover, astronomical seeing conditions, atmospheric transparency, temperature, humidity, rain/snow likelihood, atmospheric instability, wind speed, and wind direction.
Xasteria offers three visualization modes for the data: the new and visually appealing 7Timer! ASTRO graphics, color-stripe graphics similar to other astro-forecast services, or a raw text mode for those who prefer simplicity.
The app is available in English, Greek, and French. If you wish to translate it into your preferred language, please contact the author directly.
Xasteria is committed to remaining ad-free. However, for those who would like to support the app and contribute to maintaining the 7Timer service behind it, Xasteria Plus is available. This premium version provides access to non-free weather sources and offers additional features such as night vision mode, iPhone landscape view, lunar calendar, and location manager.
If you are using Xasteria, I would greatly appreciate it if you could leave a quick review on the App Store. Rest assured, there will be no intrusive pop-ups asking for feedback within the app itself, as we understand how bothersome those can be. Alternatively, if you have any specific requests or suggestions, please visit the official app page at http://astro.ecuadors.net.
Overview
Xasteria: Astronomy Weather is a Freeware software in the category Education developed by Dimitrios Kechagias.
The latest version of Xasteria: Astronomy Weather is 4.9, released on 07/06/2024. It was initially added to our database on 02/16/2024.
Xasteria: Astronomy Weather runs on the following operating systems: iOS.
Users of Xasteria: Astronomy Weather gave it a rating of 5 out of 5 stars.
Pros
- Provides detailed astronomy forecasts based on weather conditions
- Includes data such as moon phases, visibility of planets, and sky brightness
- Helps astronomers plan their observations effectively
- User-friendly interface for easy navigation
Cons
- Limited availability on different platforms (e.g., may not be available for all operating systems)
- Some users may find the app's interface too simplistic or lacking advanced features
- Dependency on accurate weather forecasts for precise astronomy predictions

David Fischer
I am a technology writer for UpdateStar, covering software, security, and privacy as well as research and innovation in information security. I worked as an editor for German computer magazines for more than a decade before joining the UpdateStar team. With over a decade of editorial experience in the tech industry, I bring a wealth of knowledge and expertise to my current role at UpdateStar. At UpdateStar, I focus on the critical areas of software, security, and privacy, ensuring our readers stay informed about the latest developments and best practices.
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