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A thunderstorm in spots
Turning sunny; not as hot
Sunny, warm and more humid
of sunlight, then sets at
of moolight, then sets at
While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into next weekend around Philadelphia. 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.