The day ahead
Clear weather and air conditions for where you are, or where you are going.
More about weather
iCaelum brings the weather, the air, the Sun, the Moon and the night sky together in one calm app, so you can make the most of your time outside.

Clear weather and air conditions for where you are, or where you are going.
More about weather
Follow the Sun and Moon, and discover what is shining overhead tonight.
More about the sky
Views shaped around the things you love doing outdoors.
See the ten activities
Each activity has a view of its own, and you can arrange it to suit you.
Be there for the best light
Make the most of a dark night
Read the wind and the water
Enjoy the sun safely
Plan a good day on the trail
Run with more confidence after dark
Choose your moment
Work with the seasons
See where the light falls
Plan occasions around the weather
Follow the light all year round
Know what is coming
iCaelum is available for iPhone and iPad on the App Store.
View on the App Store