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Partly sunny and not as cold
A shower in the morning
Partly sunny and colder
Colder with snow possible
The temperature roller-coaster ride will continue into next week for the Boston area. 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.