Westchester County, NY: Current UV Index and Hourly Forecast

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As of 5:58 PM EDT on August 25, 2025, all 48 cities in Westchester County, NY in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Yonkers, NY with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 7.2 in Yonkers between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Westchester County, NY

• Ardsley - 1.8
• Armonk - 1.8
• Bedford Hills - 1.8
• Briarcliff Manor - 1.8
• Bronxville - 1.8
• Buchanan - 1.8
• Chappaqua - 1.8
• Crompond - 1.8
• Croton-on-Hudson - 1.8
• Crugers - 1.8
• Dobbs Ferry - 1.8
• Elmsford - 1.8
• Golden's Bridge - 1.8
• Greenville - 1.8
• Harrison - 1.8
• Hartsdale - 1.8
• Hastings-on-Hudson - 1.8
• Hawthorne - 1.8
• Heritage Hills - 1.8
• Irvington - 1.8
• Jefferson Valley-Yorktown - 1.8
• Katonah - 1.8
• Lake Mohegan - 1.8
• Larchmont - 1.8
• Lincolndale - 1.8
• Millwood - 1.8
• Montrose - 1.8
• Mount Kisco - 1.8
• Mount Vernon - 1.8
• New Rochelle - 1.8
• Peekskill - 1.8
• Pelham Manor - 1.8
• Pleasantville - 1.8
• Port Chester - 1.8
• Rye Brook - 1.8
• Scarsdale - 1.8
• Scotts Corners - 1.8
• Shenorock - 1.8
• Shrub Oak - 1.8
• Sleepy Hollow - 1.8
• Tarrytown - 1.8
• Thornwood - 1.8
• Tuckahoe - 1.8
• Valhalla - 1.8
• Verplanck - 1.8
• White Plains - 1.8
• Yonkers - 1.8
• Yorktown Heights - 1.8