Another great blackberry weather application is BerryWeather. with this application on blackberry you can instant access to recent conditions plus detailed 7-day and 24-hour forecasts for over 72.000 locations worldwide.

What New in Version 2.0!
Weather Data:
- New weather source: WeatherUnderground.com
- Get more accurate recent conditions by switching to a nearby weather stations for any location
Visual:
- New high resolution iconset
- See your recent weather as a housescreen wallpaper, includes many customization options (OS 4.7 and higher)
- Full support for OS 5.0 screen transitions
Weather Advisories:
- Get notifications only for specific advisories
- Support for BerryPopup, get a popup with advisory details in any app
Radar Maps/Webcams
- Now you can use multiple custom radar maps/webcams
- Pinch-to-zoom radar maps on any touchscreen BlackBerry

Download
BerryWeather 2.2.01 for OS 4.5 and higher
BerryWeather 2.2.01 for OS 4.6 and higher
BerryWeather 2.2.01 for OS 4.7 and higher
BerryWeather 2.2.01 for OS 5.0 and higher