Westchester County, NY: Current UV Index and Hourly Forecast

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As of 2:42 PM EST on November 2, 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 1.7.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 2.9 in Yonkers between 12:00 PM - 1:00 PM EST tomorrow.

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Current UV Index in Cities in Westchester County, NY

• Ardsley - 1.7
• Armonk - 1.7
• Bedford Hills - 1.7
• Briarcliff Manor - 1.7
• Bronxville - 1.7
• Buchanan - 1.7
• Chappaqua - 1.7
• Crompond - 1.7
• Croton-on-Hudson - 1.7
• Crugers - 1.7
• Dobbs Ferry - 1.7
• Elmsford - 1.7
• Golden's Bridge - 1.7
• Greenville - 1.7
• Harrison - 1.7
• Hartsdale - 1.7
• Hastings-on-Hudson - 1.7
• Hawthorne - 1.7
• Heritage Hills - 1.7
• Irvington - 1.7
• Jefferson Valley-Yorktown - 1.7
• Katonah - 1.7
• Lake Mohegan - 1.7
• Larchmont - 1.7
• Lincolndale - 1.7
• Millwood - 1.7
• Montrose - 1.7
• Mount Kisco - 1.7
• Mount Vernon - 1.7
• New Rochelle - 1.7
• Peekskill - 1.7
• Pelham Manor - 1.7
• Pleasantville - 1.7
• Port Chester - 1.7
• Rye Brook - 1.7
• Scarsdale - 1.7
• Scotts Corners - 1.7
• Shenorock - 1.7
• Shrub Oak - 1.7
• Sleepy Hollow - 1.7
• Tarrytown - 1.7
• Thornwood - 1.7
• Tuckahoe - 1.7
• Valhalla - 1.7
• Verplanck - 1.7
• White Plains - 1.7
• Yonkers - 1.7
• Yorktown Heights - 1.7