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Some sun, then clouds; colder
A little morning snow
Occasional rain and drizzle
of sunlight, then sets at
of moolight, then sets at
The Philadelphia area will be grazed by a snowstorm Sunday night into early Monday. 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.