iThermometer is an application pretty, simple, accurate, and efficient. It lets you easily know what is the temperature near you.
The application also provides weather reports of a large detail. Functional for more than 2 million cities worldwide. Forecasts are available 24/7 and updated on average every three hours.
It integrates its own conversion degrees celsius in degrees fahrenheit.

A handy application to a minimum price, why not try it ?

Exclusive: Available in english, french, german, spanish, Italian, portuguese and dutch.

(To access all the functionalities of the station your iPhone must be connected to the internet (Edge, 3G or WiFi)).