UV Index Today in Suffolk County, Massachusetts (MA)
Friday, May 22, 2026 -1:00 PMEDT (GMT-4)
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The average maximum UV Index today across 18 locations in Suffolk County, Massachusetts (MA), is 7.5. The highest projected maximum is 7.6 in Newton at 1:00 PM EDT, while the lowest projected maximum is 7.5 in Boston at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 4.2. The highest projected maximum is 4.4 in Cambridge at 11:00 AM EDT, and the lowest projected maximum is 3.9 in Boston at 1:00 PM EDT.
18 Places in Suffolk County, Massachusetts (MA)
Maximum UV Index Today