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Sunny to partly cloudy
Clouds and sun with a shower
of sunlight, then sets at
of moolight, then sets at
After a rain-free weekend for much of the Boston area, the risk of thunderstorms and flash flooding will ramp up quickly early next week. 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.