When will it be good to stargaze? See the weather forecast, seeing, transparency, and light pollution, all in one convenient tool. Perfect for amateur and professional astronomers alike, for naked eye viewing, binoculars, or telescopes.

The free version shows 24 hours of forecast. For the full 7-days, you can become a subscriber to the 1-year Hobby Subscription. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period at the same price you originally paid. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.


What’s New

Version 2.2.34

Launches our new proprietary weather forecast model, available now to replace Dark Sky. It's updated hourly in the US and every 6 hours elsewhere. Dark Sky is still available as an option until the end of 2021, and you can switch between forecast sources in the Settings tab.

Ratings and Reviews

4.9 out of 5
28 Ratings

28 Ratings

The original PR0T0C0L ,

Reliable Forecast

I use this to plan my evenings in advance, and it has done very well for me. I don’t know what I would do without this, I would probably s t a r g a z e much less.

Dave Gwyn ,

Essential Weather App

This is an essential weather tool for observing. I use it every time I’m imaging with my telescope and trust the data it displays to my precious equipment.

Cybis ,


Great app. It’s the fastest way I’ve found to find out if the conditions are right.


Matthew LLOYD
89.9 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Czech, Danish, Dutch, Finnish, French, German, Greek, Hindi, Hungarian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian

Age Rating
In-App Purchases
  1. Hobby Subscription - One Year $23.99
  2. Hobby Subscription - One Year $23.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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