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Cloudy to partly sunny
High clouds and humid
of sunlight, then sets at
of moolight, then sets at
Disruptive showers and thunderstorms around Boston will be on the rise through midweek. 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.