Nassau County, NY: Current UV Index and Hourly Forecast

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As of 6:00 AM EDT on June 23, 2025, all 131 cities in Nassau County, NY in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Levittown, NY with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Nassau County, NY is expected to be 9.3 in Levittown between 1:00 PM - 2:00 PM EDT today.

Search Cities in Nassau County, NY

Current UV Index in Cities in Nassau County, NY

• Albertson - 0.1
• Atlantic Beach - 0.1
• Baldwin - 0.1
• Barnum Island - 0.1
• Baxter Estates - 0.1
• Bay Park - 0.1
• Bayville - 0.1
• Bellerose - 0.1
• Bellerose Terrace - 0.1
• Bellmore - 0.1
• Bethpage - 0.1
• Brookville - 0.1
• Carle Place - 0.1
• Cedarhurst - 0.1
• Centre Island - 0.1
• Cove Neck - 0.1
• East Atlantic Beach - 0.1
• East Hills - 0.1
• East Massapequa - 0.1
• East Meadow - 0.1
• East Norwich - 0.1
• East Rockaway - 0.1
• East Williston - 0.1
• Elmont - 0.1
• Farmingdale - 0.1
• Floral Park - 0.1
• Flower Hill - 0.1
• Franklin Square - 0.1
• Freeport - 0.1
• Garden City - 0.1
• Garden City Park - 0.1
• Garden City South - 0.1
• Glen Cove - 0.1
• Glen Head - 0.1
• Glenwood Landing - 0.1
• Great Neck - 0.1
• Great Neck Estates - 0.1
• Great Neck Gardens - 0.1
• Great Neck Plaza - 0.1
• Greenvale - 0.1
• Harbor Hills - 0.1
• Harbor Isle - 0.1
• Herricks - 0.1
• Hewlett - 0.1
• Hewlett Bay Park - 0.1
• Hewlett Harbor - 0.1
• Hewlett Neck - 0.1
• Hicksville - 0.1
• Inwood - 0.1
• Island Park - 0.1
• Jericho - 0.1
• Kensington - 0.1
• Kings Point - 0.1
• Lake Success - 0.1
• Lakeview - 0.1
• Lattingtown - 0.1
• Laurel Hollow - 0.1
• Lawrence - 0.1
• Levittown - 0.1
• Lido Beach - 0.1
• Locust Valley - 0.1
• Long Beach - 0.1
• Lynbrook - 0.1
• Malverne - 0.1
• Malverne Park Oaks - 0.1
• Manhasset - 0.1
• Manhasset Hills - 0.1
• Manorhaven - 0.1
• Massapequa - 0.1
• Massapequa Park - 0.1
• Matinecock - 0.1
• Merrick - 0.1
• Mill Neck - 0.1
• Mineola - 0.1
• Munsey Park - 0.1
• Muttontown - 0.1
• New Cassel - 0.1
• New Hyde Park - 0.1
• North Bellmore - 0.1
• North Hills - 0.1
• North Lynbrook - 0.1
• North Massapequa - 0.1
• North Merrick - 0.1
• North New Hyde Park - 0.1
• North Valley Stream - 0.1
• North Wantagh - 0.1
• Oceanside - 0.1
• Old Bethpage - 0.1
• Old Brookville - 0.1
• Old Westbury - 0.1
• Oyster Bay Cove - 0.1
• Plainedge - 0.1
• Plainview - 0.1
• Plandome - 0.1
• Plandome Heights - 0.1
• Plandome Manor - 0.1
• Point Lookout - 0.1
• Port Washington - 0.1
• Port Washington North - 0.1
• Rockville Centre - 0.1
• Roosevelt - 0.1
• Roslyn - 0.1
• Roslyn Estates - 0.1
• Roslyn Harbor - 0.1
• Roslyn Heights - 0.1
• Russell Gardens - 0.1
• Saddle Rock - 0.1
• Saddle Rock Estates - 0.1
• Salisbury - 0.1
• Sands Point - 0.1
• Sea Cliff - 0.1
• Seaford - 0.1
• Searingtown - 0.1
• South Farmingdale - 0.1
• South Floral Park - 0.1
• South Hempstead - 0.1
• South Valley Stream - 0.1
• Stewart Manor - 0.1
• Syosset - 0.1
• Thomaston - 0.1
• Uniondale - 0.1
• University Gardens - 0.1
• Upper Brookville - 0.1
• Valley Stream - 0.1
• Wantagh - 0.1
• West Hempstead - 0.1
• Westbury - 0.1
• Williston Park - 0.1
• Woodbury - 0.1
• Woodmere - 0.1
• Woodsburgh - 0.1