Westmoreland County, PA: Current UV Index and Hourly Forecast

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As of 11:42 AM EST on January 9, 2026, all 62 cities in Westmoreland County, PA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Monessen, PA with a reading of 0.6.

Over the next 24 hours, the highest UV Index reading in Westmoreland County, PA is expected to be 1.5 in Monessen between 1:00 PM - 2:00 PM EST today.

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Current UV Index in Cities in Westmoreland County, PA

• Adamsburg - 0.1
• Arnold - 0.2
• Arona - 0.1
• Avonmore - 0.2
• Bolivar - 0.4
• Bradenville - 0.2
• Calumet - 0.3
• Collinsburg - 0.1
• Crabtree - 0.3
• Delmont - 0.2
• Derry - 0.2
• Donegal - 0.3
• East Vandergrift - 0.2
• Export - 0.2
• Fellsburg - 0.1
• Grapeville - 0.3
• Greensburg - 0.3
• Harrison City - 0.1
• Herminie - 0.1
• Hostetter - 0.3
• Hunker - 0.3
• Irwin - 0.1
• Jeannette - 0.3
• Latrobe - 0.3
• Laurel Mountain - 0.2
• Lawson Heights - 0.3
• Level Green - 0.2
• Lower Burrell - 0.2
• Loyalhanna - 0.2
• Lynnwood-Pricedale - 0.1
• Madison - 0.1
• Mammoth - 0.3
• Manor - 0.1
• Millwood - 0.2
• Monessen - 0.6
• Mount Pleasant - 0.3
• Murrysville - 0.2
• New Alexandria - 0.2
• New Florence - 0.5
• New Kensington - 0.2
• New Stanton - 0.3
• North Belle Vernon - 0.1
• North Irwin - 0.1
• Norvelt - 0.3
• Penn - 0.1
• Scottdale - 0.3
• Seward - 0.5
• Slickville - 0.2
• Smithton - 0.1
• South Greensburg - 0.3
• Southwest Greensburg - 0.3
• St. Vincent College - 0.3
• Sutersville - 0.1
• Trafford - 0.2
• Vandergrift - 0.2
• Webster - 0.1
• West Leechburg - 0.4
• West Newton - 0.1
• Wyano - 0.1
• Youngstown - 0.2
• Youngwood - 0.3
• Yukon - 0.1