January 31, 2015; 1:16 AM ET
Cold air sweeping in this weekend will help pave the way for a winter storm Sunday evening into Monday morning around Philadelphia. more >
Rises at 7:08 AM with 10:09 of sunlight, then sets at 5:17 PM
Rises at 2:39 PM with 14:34 of moolight, then sets at 5:13 AM
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.