Most Excellent Features

Less is More

Minimal Design

The only thing you actually care about and nothing else. How it will FEEL outside compared to 24 hours ago.

Apple Watch Weather App

Thermo Diem is made to work seemlessly with your Apple Watch. See it in action.

Made for iOS 8 & Apple Watch

Faster, slicker, & blast processing. Data from, the most accurate weather service in the world.

Apple Watch Weather App

At a glance

Whether it's an iPhone widget notification or an Apple Watch Glance, you'll get what you need quick.

Feels Like

The best way for you to judge the "feels like" temperature outside today is to compare it to what it felt like 24 hours ago.

Global Support

Worldwide weather, multilingual, dew points, relative humidity, wind, and temperature all taken into consideration for the calculations.


Look, it's really simple!


Apple Watch Weather App Teaser

Lifestyle Trailer

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