Touch the Weather widget on the Home screen to open the Weather application to view summarized and detailed weather information.
Weather Widget
Weather Application
Swipe right or left to scroll through the weather information for each of the cities in your list.
Touch the Refresh Icon in the lower left corner of the Weather application screen to update the current weather of the city displayed on the weather application screen.
Touch the Yahoo! Icon in the lower right corner of the Weather application screen to view current local information for the city displayed on the weather screen.