UV Index Today in Suffolk County, New York (NY)

Tuesday, October 13, 2026 -3:25 PM EDT (GMT-4)

The average maximum UV Index today across 163 locations in Suffolk County, New York (NY), is 3.8. The highest projected maximum is 4.8 in Islip at 1:00 PM EDT, while the lowest projected maximum is 2 in East Marion at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 4.8. The highest projected maximum is 4.9 in Brookhaven at 1:00 PM EDT, and the lowest projected maximum is 4.6 in Huntington at 1:00 PM EDT.

10 County Subdivisions in Suffolk County, New York (NY)

Maximum UV Index Today

153 Places in Suffolk County, New York (NY)

Maximum UV Index Today