Westchester County, NY: Current UV Index and Hourly Forecast

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As of 12:08 PM EDT on April 22, 2025, all 48 cities in Westchester County, NY in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Yonkers, NY with a reading of 6.7.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 7 in Yonkers between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Westchester County, NY

• Ardsley - 6.7
• Armonk - 6.5
• Bedford Hills - 6.5
• Briarcliff Manor - 6.5
• Bronxville - 6.7
• Buchanan - 6.6
• Chappaqua - 6.5
• Crompond - 6.5
• Croton-on-Hudson - 6.6
• Crugers - 6.6
• Dobbs Ferry - 6.7
• Elmsford - 6.7
• Golden's Bridge - 6.5
• Greenville - 6.7
• Harrison - 6.7
• Hartsdale - 6.7
• Hastings-on-Hudson - 6.6
• Hawthorne - 6.7
• Heritage Hills - 6.5
• Irvington - 6.7
• Jefferson Valley-Yorktown - 6.5
• Katonah - 6.5
• Lake Mohegan - 6.5
• Larchmont - 6.7
• Lincolndale - 6.5
• Millwood - 6.5
• Montrose - 6.6
• Mount Kisco - 6.5
• Mount Vernon - 6.7
• New Rochelle - 6.7
• Peekskill - 6.6
• Pelham Manor - 6.7
• Pleasantville - 6.5
• Port Chester - 6.7
• Rye Brook - 6.7
• Scarsdale - 6.7
• Scotts Corners - 6.5
• Shenorock - 6.5
• Shrub Oak - 6.5
• Sleepy Hollow - 6.7
• Tarrytown - 6.7
• Thornwood - 6.7
• Tuckahoe - 6.7
• Valhalla - 6.7
• Verplanck - 6.6
• White Plains - 6.7
• Yonkers - 6.7
• Yorktown Heights - 6.5