Westchester County, NY: Current UV Index and Hourly Forecast

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As of 3:11 PM EDT on May 12, 2026, all 48 cities in Westchester County, NY in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Yonkers, NY with a reading of 5.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 6.8 in Scotts Corners between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Westchester County, NY

• Ardsley - 5
• Armonk - 5
• Bedford Hills - 5
• Briarcliff Manor - 5
• Bronxville - 5
• Buchanan - 5
• Chappaqua - 5
• Crompond - 5
• Croton-on-Hudson - 5
• Crugers - 5
• Dobbs Ferry - 5
• Elmsford - 5
• Golden's Bridge - 5
• Greenville - 5
• Harrison - 5
• Hartsdale - 5
• Hastings-on-Hudson - 5
• Hawthorne - 5
• Heritage Hills - 5
• Irvington - 5
• Jefferson Valley-Yorktown - 5
• Katonah - 5
• Lake Mohegan - 5
• Larchmont - 5
• Lincolndale - 5
• Millwood - 5
• Montrose - 5
• Mount Kisco - 5
• Mount Vernon - 5
• New Rochelle - 5
• Peekskill - 5
• Pelham Manor - 5
• Pleasantville - 5
• Port Chester - 5
• Rye Brook - 5
• Scarsdale - 5
• Scotts Corners - 5
• Shenorock - 5
• Shrub Oak - 5
• Sleepy Hollow - 5
• Tarrytown - 5
• Thornwood - 5
• Tuckahoe - 5
• Valhalla - 5
• Verplanck - 5
• White Plains - 5
• Yonkers - 5
• Yorktown Heights - 5