UV Index Today in Massachusetts (MA)
Friday, May 22, 2026 -12:25 PMEDT (GMT-4)
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The average maximum UV Index today across 522 locations in Massachusetts (MA), is 7.6. The highest projected maximum is 8.3 in Chilmark at 12:00 PM EDT, while the lowest projected maximum is 7.3 in Brockton at 12:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 4. The highest projected maximum is 5.2 in Gloucester at 1:00 PM EDT, and the lowest projected maximum is 2.9 in Becket at 12:00 PM EDT.
14 Counties in Massachusetts (MA)
Average Maximum UV Index Today
238 Places in Massachusetts (MA)
Maximum UV Index Today