Nassau County, NY: Current UV Index and Hourly Forecast

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As of 2:09 PM EDT on July 9, 2026, out of 131 cities in Nassau County, NY in our database, 125 cities (95%) have a UV Index reading of Very High, while 6 cities (5%) have a UV Index reading of High. The city with the highest UV Index reading right now is Long Beach, NY with a reading of 8.2.

Over the next 24 hours, the highest UV Index reading in Nassau County, NY is expected to be 9.1 in Long Beach between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Nassau County, NY

Current UV Index in Cities in Nassau County, NY

• Albertson - 7.7
• Atlantic Beach - 8.2
• Baldwin - 7.6
• Barnum Island - 8.2
• Baxter Estates - 7.7
• Bay Park - 7.7
• Bayville - 7.4
• Bellerose - 7.7
• Bellerose Terrace - 7.7
• Bellmore - 7.6
• Bethpage - 7.6
• Brookville - 7.6
• Carle Place - 7.6
• Cedarhurst - 7.7
• Centre Island - 7.4
• Cove Neck - 7.4
• East Atlantic Beach - 8.2
• East Hills - 7.7
• East Massapequa - 7.6
• East Meadow - 7.6
• East Norwich - 7.6
• East Rockaway - 7.7
• East Williston - 7.7
• Elmont - 7.7
• Farmingdale - 7.6
• Floral Park - 7.7
• Flower Hill - 7.7
• Franklin Square - 7.7
• Freeport - 7.6
• Garden City - 7.7
• Garden City Park - 7.7
• Garden City South - 7.7
• Glen Cove - 7.7
• Glen Head - 7.6
• Glenwood Landing - 7.7
• Great Neck - 7.7
• Great Neck Estates - 7.7
• Great Neck Gardens - 7.7
• Great Neck Plaza - 7.7
• Greenvale - 7.7
• Harbor Hills - 7.7
• Harbor Isle - 8.2
• Herricks - 7.7
• Hewlett - 7.7
• Hewlett Bay Park - 7.7
• Hewlett Harbor - 7.7
• Hewlett Neck - 8.2
• Hicksville - 7.6
• Inwood - 8.2
• Island Park - 8.2
• Jericho - 7.6
• Kensington - 7.7
• Kings Point - 7.7
• Lake Success - 7.7
• Lakeview - 7.7
• Lattingtown - 7.4
• Laurel Hollow - 7.6
• Lawrence - 8.2
• Levittown - 7.6
• Lido Beach - 8.2
• Locust Valley - 7.4
• Long Beach - 8.2
• Lynbrook - 7.7
• Malverne - 7.7
• Malverne Park Oaks - 7.7
• Manhasset - 7.7
• Manhasset Hills - 7.7
• Manorhaven - 7.7
• Massapequa - 7.6
• Massapequa Park - 7.6
• Matinecock - 7.6
• Merrick - 7.6
• Mill Neck - 7.4
• Mineola - 7.7
• Munsey Park - 7.7
• Muttontown - 7.6
• New Cassel - 7.6
• New Hyde Park - 7.7
• North Bellmore - 7.6
• North Hills - 7.7
• North Lynbrook - 7.7
• North Massapequa - 7.6
• North Merrick - 7.6
• North New Hyde Park - 7.7
• North Valley Stream - 7.7
• North Wantagh - 7.6
• Oceanside - 7.7
• Old Bethpage - 7.6
• Old Brookville - 7.6
• Old Westbury - 7.6
• Oyster Bay Cove - 7.6
• Plainedge - 7.6
• Plainview - 7.6
• Plandome - 7.7
• Plandome Heights - 7.7
• Plandome Manor - 7.7
• Point Lookout - 8.2
• Port Washington - 7.7
• Port Washington North - 7.7
• Rockville Centre - 7.7
• Roosevelt - 7.6
• Roslyn - 7.7
• Roslyn Estates - 7.7
• Roslyn Harbor - 7.7
• Roslyn Heights - 7.7
• Russell Gardens - 7.7
• Saddle Rock - 7.7
• Saddle Rock Estates - 7.7
• Salisbury - 7.6
• Sands Point - 7.7
• Sea Cliff - 7.7
• Seaford - 7.6
• Searingtown - 7.7
• South Farmingdale - 7.6
• South Floral Park - 7.7
• South Hempstead - 7.6
• South Valley Stream - 7.7
• Stewart Manor - 7.7
• Syosset - 7.6
• Thomaston - 7.7
• Uniondale - 7.6
• University Gardens - 7.7
• Upper Brookville - 7.6
• Valley Stream - 7.7
• Wantagh - 7.6
• West Hempstead - 7.7
• Westbury - 7.6
• Williston Park - 7.7
• Woodbury - 7.6
• Woodmere - 7.7
• Woodsburgh - 8.2