UV Index Today in Massachusetts (MA)

Friday, August 7, 2026 -3:34 PM EDT (GMT-4)

The average maximum UV Index today across 522 locations in Massachusetts (MA), is 7.9. The highest projected maximum is 8.5 in Nantucket at 1:00 PM EDT, while the lowest projected maximum is 7.4 in Westfield at 12:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 7.9. The highest projected maximum is 8.4 in Pittsfield at 1:00 PM EDT, and the lowest projected maximum is 7.2 in Cambridge at 1:00 PM EDT.

14 Counties in Massachusetts (MA)

Average Maximum UV Index Today

238 Places in Massachusetts (MA)

Maximum UV Index Today
  • Boston - 7.9