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

Tuesday, April 7, 2026 - 4:51 AM EDT (GMT-4)

The average maximum UV Index today across 163 locations in Suffolk County, New York (NY), is 5.6. The highest projected maximum is 5.7 in Coram at 1:00 PM EDT, while the lowest projected maximum is 5.6 in Brookhaven at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 5.4. The highest projected maximum is 5.5 in Shirley at 1:00 PM EDT, and the lowest projected maximum is 5.3 in Southampton at 1:00 PM EDT.

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

Maximum UV Index Today
  • Brookhaven - 5.6
  • Islip - 5.6

153 Places in Suffolk County, New York (NY)

Maximum UV Index Today