UV Index Today in Massachusetts (MA)

Wednesday, July 15, 2026 -12:11 PM EDT (GMT-4)

The average maximum UV Index today across 522 locations in Massachusetts (MA), is 6.9. The highest projected maximum is 8.5 in Nantucket at 1:00 PM EDT, while the lowest projected maximum is 6 in Beverly at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.1. The highest projected maximum is 8.5 in Gardner at 1:00 PM EDT, and the lowest projected maximum is 7.4 in Gloucester 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 - 6.3