Yahoo Weather is one of the most beautiful app
Yahoo weather app shows you weather report in style. It shows you accurate weather report and forecasting. Shows satellite image, sun rise/ sun set, Moon waxing and much more. You can track and follow 20 cities so that you can check out the weather of your destinations too.
Its now available for both Android and iOS. For more you can check out https://mobile.yahoo.com/weather/
I am sure you will enjoy the app. Do let me know your favorite apps too.