March 12, 2014; 5:29 AM ET
After a springlike Tuesday in Philadelphia, a stormy Wednesday will be followed by an icy rapid freeze up Wednesday night. more >
Turning out clear and colder
Rises at 7:05 AM with 12:08 of sunlight, then sets at 7:13 PM
Rises at 11:32 PM with 10:19 of moolight, then sets at 9:51 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.