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A shower or thunderstorm
Showers and a heavier t-storm
An afternoon shower or two
Partly sunny and pleasant
Mostly sunny and nice
Following the thunderstorms of early in the week, Boston will see cooler and less humid through late 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.