Westchester County, NY: Current UV Index and Hourly Forecast

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As of 12:57 AM EST on January 22, 2026, all 48 cities in Westchester County, NY in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Westchester County, NY is expected to be 1.9 in Hastings-on-Hudson between 12:00 PM - 1:00 PM EST today.

Search Cities in Westchester County, NY

Current UV Index in Cities in Westchester County, NY

• Ardsley - 0
• Armonk - 0
• Bedford Hills - 0
• Briarcliff Manor - 0
• Bronxville - 0
• Buchanan - 0
• Chappaqua - 0
• Crompond - 0
• Croton-on-Hudson - 0
• Crugers - 0
• Dobbs Ferry - 0
• Elmsford - 0
• Golden's Bridge - 0
• Greenville - 0
• Harrison - 0
• Hartsdale - 0
• Hastings-on-Hudson - 0
• Hawthorne - 0
• Heritage Hills - 0
• Irvington - 0
• Jefferson Valley-Yorktown - 0
• Katonah - 0
• Lake Mohegan - 0
• Larchmont - 0
• Lincolndale - 0
• Millwood - 0
• Montrose - 0
• Mount Kisco - 0
• Mount Vernon - 0
• New Rochelle - 0
• Peekskill - 0
• Pelham Manor - 0
• Pleasantville - 0
• Port Chester - 0
• Rye Brook - 0
• Scarsdale - 0
• Scotts Corners - 0
• Shenorock - 0
• Shrub Oak - 0
• Sleepy Hollow - 0
• Tarrytown - 0
• Thornwood - 0
• Tuckahoe - 0
• Valhalla - 0
• Verplanck - 0
• White Plains - 0
• Yonkers - 0
• Yorktown Heights - 0