Nassau County, NY: Current UV Index and Hourly Forecast

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As of 12:39 PM EDT on March 28, 2025, all 131 cities in Nassau County, NY in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Long Beach, NY with a reading of 4.8.

Over the next 24 hours, the highest UV Index reading in Nassau County, NY is expected to be 4.8 in Long Beach between 12:00 PM - 1:00 PM EDT today.

Search Cities in Nassau County, NY

Current UV Index in Cities in Nassau County, NY

• Albertson - 4.6
• Atlantic Beach - 4.8
• Baldwin - 4.5
• Barnum Island - 4.8
• Baxter Estates - 4.6
• Bay Park - 4.6
• Bayville - 4.3
• Bellerose - 4.6
• Bellerose Terrace - 4.6
• Bellmore - 4.5
• Bethpage - 4.5
• Brookville - 4.5
• Carle Place - 4.5
• Cedarhurst - 4.6
• Centre Island - 4.3
• Cove Neck - 4.3
• East Atlantic Beach - 4.8
• East Hills - 4.6
• East Massapequa - 4.5
• East Meadow - 4.5
• East Norwich - 4.5
• East Rockaway - 4.6
• East Williston - 4.6
• Elmont - 4.6
• Farmingdale - 4.5
• Floral Park - 4.6
• Flower Hill - 4.6
• Franklin Square - 4.6
• Freeport - 4.5
• Garden City - 4.6
• Garden City Park - 4.6
• Garden City South - 4.6
• Glen Cove - 4.6
• Glen Head - 4.5
• Glenwood Landing - 4.6
• Great Neck - 4.6
• Great Neck Estates - 4.6
• Great Neck Gardens - 4.6
• Great Neck Plaza - 4.6
• Greenvale - 4.6
• Harbor Hills - 4.6
• Harbor Isle - 4.8
• Herricks - 4.6
• Hewlett - 4.6
• Hewlett Bay Park - 4.6
• Hewlett Harbor - 4.6
• Hewlett Neck - 4.8
• Hicksville - 4.5
• Inwood - 4.8
• Island Park - 4.8
• Jericho - 4.5
• Kensington - 4.6
• Kings Point - 4.6
• Lake Success - 4.6
• Lakeview - 4.6
• Lattingtown - 4.3
• Laurel Hollow - 4.5
• Lawrence - 4.8
• Levittown - 4.5
• Lido Beach - 4.8
• Locust Valley - 4.3
• Long Beach - 4.8
• Lynbrook - 4.6
• Malverne - 4.6
• Malverne Park Oaks - 4.6
• Manhasset - 4.6
• Manhasset Hills - 4.6
• Manorhaven - 4.6
• Massapequa - 4.5
• Massapequa Park - 4.5
• Matinecock - 4.5
• Merrick - 4.5
• Mill Neck - 4.3
• Mineola - 4.6
• Munsey Park - 4.6
• Muttontown - 4.5
• New Cassel - 4.5
• New Hyde Park - 4.6
• North Bellmore - 4.5
• North Hills - 4.6
• North Lynbrook - 4.6
• North Massapequa - 4.5
• North Merrick - 4.5
• North New Hyde Park - 4.6
• North Valley Stream - 4.6
• North Wantagh - 4.5
• Oceanside - 4.6
• Old Bethpage - 4.5
• Old Brookville - 4.5
• Old Westbury - 4.5
• Oyster Bay Cove - 4.5
• Plainedge - 4.5
• Plainview - 4.5
• Plandome - 4.6
• Plandome Heights - 4.6
• Plandome Manor - 4.6
• Point Lookout - 4.8
• Port Washington - 4.6
• Port Washington North - 4.6
• Rockville Centre - 4.6
• Roosevelt - 4.5
• Roslyn - 4.6
• Roslyn Estates - 4.6
• Roslyn Harbor - 4.6
• Roslyn Heights - 4.6
• Russell Gardens - 4.6
• Saddle Rock - 4.6
• Saddle Rock Estates - 4.6
• Salisbury - 4.5
• Sands Point - 4.6
• Sea Cliff - 4.6
• Seaford - 4.5
• Searingtown - 4.6
• South Farmingdale - 4.5
• South Floral Park - 4.6
• South Hempstead - 4.5
• South Valley Stream - 4.6
• Stewart Manor - 4.6
• Syosset - 4.5
• Thomaston - 4.6
• Uniondale - 4.5
• University Gardens - 4.6
• Upper Brookville - 4.5
• Valley Stream - 4.6
• Wantagh - 4.5
• West Hempstead - 4.6
• Westbury - 4.5
• Williston Park - 4.6
• Woodbury - 4.5
• Woodmere - 4.6
• Woodsburgh - 4.8