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Partly sunny and pleasant
Partly sunny with a shower
A little morning rain
of sunlight, then sets at
of moolight, then sets at
After only spotty rainfall this weekend in the Philadelphia area, the risk of severe thunderstorms and flash flooding will ramp up quickly early next week. 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.