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

Tuesday, April 7, 2026 - 4:52 AM EDT (GMT-4)

The average maximum UV Index today across 138 locations in Nassau County, New York (NY), is 5.6. The highest projected maximum is 5.7 in New York at 1:00 PM EDT, while the lowest projected maximum is 5.5 in Lido Beach 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 5.6 in Long Beach at 1:00 PM EDT, and the lowest projected maximum is 5.3 in Bayville at 1:00 PM EDT.

3 County Subdivisions in Nassau County, New York (NY)

Maximum UV Index Today

135 Places in Nassau County, New York (NY)

Maximum UV Index Today
  • New York - 5.7