May 23, 2015; 5:05 AM ET
Temperatures will remain on a roller coaster ride around the Boston area through the Memorial Day holiday weekend. more >
Mostly cloudy with a couple of showers and a thunderstorm
Cloudy and mild with a couple of showers
Rises at 5:16 AM with 15:02 of sunlight, then sets at 8:18 PM
Rises at 3:21 PM with 11:42 of moolight, then sets at 3:03 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.