- Unwetterradar Deutschland
- Unwetterzentrale Österreich
- UpNorthLive
- UpNorthLive Storm Team Weather
- UriBrella
- US EFB - Aviation Charts
- US Lightning Strikes Map
- US NOAA Radars 3D Lite
- US NOAA Radars 3D Pro
- US Snow Map & Webcams
- 天气现场 - 每周天气
- US Weather Hail Reports
- US Weather Storm Reports
- US Weather Tornado Reports
- USA Tides Free
- USA Weather forecast
- Ut Weiâh
- Utah Avalanche Center
- Ut Weiâh
- Utah Avalanche Center
- Utah Snow Map & Webcams
- Utah Traveler
- UtahAir
- UV - Ultraviolet
- UV Index - App
- UV Index - Easy. Powerful.
- UV index forecast - protect your skin from sunburn
- UV Index Now - UVI Mate
- UV Index Widget - Worldwide
- UV Métropole Nice Côte d’Azur
- UV Safe - Sun Protection
- UV Today
- UV-INDEKS
- UV-Shield
- UVLens - UV Index