Astro Panel (Free - no IAP) is an app that displays detailed weather forecasts and lunar information for astronomers.
Ranked in these QuestionsQuestion Ranking
Pro Clear sky alerts
Whenever viewing conditions are optimal, this app will push a notification.
Pro No GPS required
Instead of exclusively using GPS data, this app lets users manually enter longitude and latitude
Con Doesn't reliably download data
This app syncs sporadically, so much of the information becomes quickly obsolete.