Download this very useful app:

Umbrella Weather App provides most accurate and reliable weather forecast for worldwide cities and towns in a simple and weather reflected background for sleek look and feel.

Umbrella iPhone Weather App offers everything in one weather app.

- Easily change the temperature, wind, pressure and rain units from settings page
- Current weather and next 4 day weather for global cities and town.
- Local time
- Easy city and town search using text input or interactive map.
- Quick access to favourite cities.

Pro version:
- Historical / Past weather
- Up to date weather forecast and radar images (animated rain, snow and pressure maps and surface temperature maps)