Sky is described as 'Minimal, simple, clean weather. - Dynamic colored background based on temperature. The bluer, the colder. The redder, the hotter. - Simple and elegant design. - Current location by GPS. - Multiple locations. - Celsius or Fahrenheit' and is an app in the Travel & Location category. There are more than 10 alternatives to Sky for a variety of platforms, including iPhone, Android, iPad, Online / Web-based and Apple Watch. The best alternative is Forecastie, which is both free and Open Source. Other great apps like Sky are AccuWeather (Freemium), The Weather Channel (Freemium), Weather Underground (Freemium) and Dark Sky (Paid).
With Weather Lock you can have current temperature and weather conditions on your lock screen! With a touch of Home button you can visualize current temperature, weather status, humidity, wind speed and direction.