Westchester County, NY: Current UV Index and Hourly Forecast

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As of 1:36 PM EDT on July 13, 2025, all 48 cities in Westchester County, NY in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Yonkers, NY with a reading of 9.8.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 9.8 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 - 9.8
• Armonk - 9.8
• Bedford Hills - 9.8
• Briarcliff Manor - 9.8
• Bronxville - 9.8
• Buchanan - 9.7
• Chappaqua - 9.8
• Crompond - 9.8
• Croton-on-Hudson - 9.7
• Crugers - 9.7
• Dobbs Ferry - 9.8
• Elmsford - 9.8
• Golden's Bridge - 9.8
• Greenville - 9.8
• Harrison - 9.8
• Hartsdale - 9.8
• Hastings-on-Hudson - 9.8
• Hawthorne - 9.8
• Heritage Hills - 9.8
• Irvington - 9.8
• Jefferson Valley-Yorktown - 9.8
• Katonah - 9.8
• Lake Mohegan - 9.8
• Larchmont - 9.8
• Lincolndale - 9.8
• Millwood - 9.8
• Montrose - 9.7
• Mount Kisco - 9.8
• Mount Vernon - 9.8
• New Rochelle - 9.8
• Peekskill - 9.7
• Pelham Manor - 9.8
• Pleasantville - 9.8
• Port Chester - 9.8
• Rye Brook - 9.8
• Scarsdale - 9.8
• Scotts Corners - 9.8
• Shenorock - 9.8
• Shrub Oak - 9.8
• Sleepy Hollow - 9.8
• Tarrytown - 9.8
• Thornwood - 9.8
• Tuckahoe - 9.8
• Valhalla - 9.8
• Verplanck - 9.7
• White Plains - 9.8
• Yonkers - 9.8
• Yorktown Heights - 9.8