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A shower or thunderstorm
Windy and not as warm
Partly sunny and less humid
Partly sunny and pleasant
Mostly sunny and nice
Following the thunderstorms of early in the week, Philadelphia will see cooler and less humid air midweek. more >
Nov 12, 2012; 5:00 AM ET
The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.