Westchester County, NY: Current UV Index and Hourly Forecast

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As of 1:34 PM EDT on April 22, 2026, 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 Hastings-on-Hudson, NY with a reading of 1.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 6 in Hastings-on-Hudson between 12:00 PM - 1:00 PM EDT tomorrow.

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Current UV Index in Cities in Westchester County, NY

• Ardsley - 0.7
• Armonk - 0.8
• Bedford Hills - 0.8
• Briarcliff Manor - 0.8
• Bronxville - 0.7
• Buchanan - 0.6
• Chappaqua - 0.8
• Crompond - 0.8
• Croton-on-Hudson - 0.6
• Crugers - 0.6
• Dobbs Ferry - 0.7
• Elmsford - 0.7
• Golden's Bridge - 0.8
• Greenville - 0.7
• Harrison - 0.7
• Hartsdale - 0.7
• Hastings-on-Hudson - 1
• Hawthorne - 0.7
• Heritage Hills - 0.8
• Irvington - 0.7
• Jefferson Valley-Yorktown - 0.8
• Katonah - 0.8
• Lake Mohegan - 0.8
• Larchmont - 0.7
• Lincolndale - 0.8
• Millwood - 0.8
• Montrose - 0.6
• Mount Kisco - 0.8
• Mount Vernon - 0.7
• New Rochelle - 0.7
• Peekskill - 0.6
• Pelham Manor - 0.7
• Pleasantville - 0.8
• Port Chester - 0.7
• Rye Brook - 0.7
• Scarsdale - 0.7
• Scotts Corners - 0.9
• Shenorock - 0.8
• Shrub Oak - 0.8
• Sleepy Hollow - 0.7
• Tarrytown - 0.7
• Thornwood - 0.7
• Tuckahoe - 0.7
• Valhalla - 0.7
• Verplanck - 0.6
• White Plains - 0.7
• Yonkers - 0.7
• Yorktown Heights - 0.8