March 9, 2014; 4:07 AM ET
Temperatures will remain on a roller coaster ride in Boston the next several days. more >
Colder with some clouds, then sunshine
Increasing cloudiness with a bit of snow toward dawn
Rises at 7:09 AM with 11:36 of sunlight, then sets at 6:45 PM
Rises at 12:31 PM with 14:51 of moolight, then sets at 3:22 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.