UV Index Today in Massachusetts (MA)
Tuesday, April 7, 2026 - 4:45 AM EDT (GMT-4)
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The average maximum UV Index today across 522 locations in Massachusetts (MA), is 3.2. The highest projected maximum is 5.6 in Chilmark at 1:00 PM EDT, while the lowest projected maximum is 1 in Waltham at 11:00 AM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 5.4. The highest projected maximum is 5.6 in Southbridge Town at 1:00 PM EDT, and the lowest projected maximum is 5.2 in Haverhill at 1:00 PM EDT.
14 Counties in Massachusetts (MA)
Average Maximum UV Index Today
238 Places in Massachusetts (MA)
Maximum UV Index Today