WeatherBar, a cydia tweak launched last night, can change the color of the iOS status bar depending on outside temperature. It may be useful to know the outside temperature when you wake up for example, or when you go outside, so no need to open the weather application or the notification center.
WeatherBar – Simplicity and Beauty. Supports iOS 5 and iOS 6. WeatherBar shows you the current outside Temperature by changing the color of the Status bar. The Colors range from -20 º C to +50 º C (-4 º F to 122 º F).
How can I know Which represents Which Color Temperature? WeatherBar has different Colors for Temperatures at 5 º C Steps, it starts at -20 º C, here is the Order of the Colors, there is many “mixed” colors between Thos: Purple – Blue – Green (0 º C/32 º F) – Yellow – Orange – Red. After A Few Days Will Be Able using WeatherBar you to easily distinguish the Colors.
You can download it for free on Cydia, you’ll find it in the ModMyi repo.