UV Index Today in Allegheny County, Pennsylvania (PA) Sunday, September 20, 2026 -12:23 PM EDT (GMT-4) The average maximum UV Index today across 160 locations in Allegheny County, Pennsylvania (PA) , is 3.5. The highest projected maximum is 4.1 in Penn Hills at 1:00 PM EDT, while the lowest projected maximum is 2.9 in Moon at 12:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 1.8. The highest projected maximum is 3.1 in McKeesport at 3:00 PM EDT, and the lowest projected maximum is 1 in West Deer at 2:00 PM EDT.
43 County Subdivisions in Allegheny County, Pennsylvania (PA) Maximum UV Index Today
Aleppo - 2.9
Baldwin - 3.3
Bethel Park - 3.2
Collier - 2.9
Crescent - 2.9
East Deer - 4.1
Elizabeth - 3.9
Fawn - 3.3
Findlay - 2.9
Forward - 3.2
Frazer - 4.1
Hampton - 3.3
Harmar - 4.1
Harrison - 3.3
Indiana - 4.1
Kennedy - 3.3
Kilbuck - 3.3
Leet - 2.9
McCandless - 3.3
Marshall - 3.2
Monroeville - 4.1
Moon - 2.9
Mount Lebanon - 3.3
Neville - 3.3
North Fayette - 2.9
North Versailles - 4.1
O'Hara - 3.3
Ohio - 3.3
Penn Hills - 4.1
Pine - 3.2
Reserve - 3.3
Richland - 3.2
Robinson - 2.9
Ross - 3.3
Scott - 3.3
Shaler - 3.3
South Fayette - 2.9
South Park - 3.2
Springdale - 4.1
Stowe - 3.3
Upper St. Clair - 3.2
West Deer - 3.3
Wilkins - 4.1117 Places in Allegheny County, Pennsylvania (PA) Maximum UV Index Today
Allison Park - 3.3
Ambridge - 2.9
Ambridge Heights - 2.9
Arnold - 4.1
Aspinwall - 3.3
Avalon - 3.3
Bairdford - 3.2
Bakerstown - 3.2
Baldwin - 3.2
Bell Acres - 2.9
Bellevue - 3.3
Ben Avon - 3.3
Blaine Hill - 3.9
Blawnox - 4.1
Brackenridge - 4.1
Braddock - 4.1
Braddock Hills - 4.1
Bradford Woods - 3.2
Brentwood - 3.2
Bridgeville - 3.2
Carnegie - 3.3
Carnot-Moon - 2.9
Castle Shannon - 3.2
Cecil-Bishop - 2.9
Chalfant - 4.1
Cheswick - 4.1
Churchill - 4.1
Clairton - 3.2
Clinton - 2.9
Collinsburg - 3.9
Coraopolis - 2.9
Crafton - 3.3
Curtisville - 3.3
Dormont - 3.3
Dorseyville - 3.3
Dravosburg - 3.2
Duquesne - 3.9
East McKeesport - 4.1
East Pittsburgh - 4.1
Economy - 3.9
Edgewood - 3.3
Edgeworth - 2.9
Elizabeth - 3.2
Emsworth - 3.3
Enlow - 2.9
Etna - 3.3
Forest Hills - 4.1
Fox Chapel - 3.3
Franklin Park - 3.3
Gastonville - 3.2
Gibsonia - 3.2
Glassport - 3.2
Glendale - 3.3
Glen Osborne - 2.9
Glenshaw - 3.3
Greenock - 3.9
Green Tree - 3.3
Harwick - 4.1
Heidelberg - 3.3
Homestead - 3.3
Imperial - 2.9
Ingram - 3.3
Jefferson Hills - 3.2
Leetsdale - 2.9
Level Green - 4.1
Liberty - 3.9
Lincoln - 3.9
Lower Burrell - 4.1
McDonald - 2.9
McKeesport - 3.9
McKees Rocks - 3.3
Millvale - 3.3
Monongahela - 3.2
Mount Oliver - 3.3
Munhall - 3.3
Natrona - 4.1
Natrona Heights - 4.1
New Eagle - 3.2
New Kensington - 4.1
Noblestown - 2.9
North Braddock - 4.1
Oakdale - 2.9
Oakmont - 4.1
Pennsbury Village - 3.3
Pitcairn - 4.1
Pittsburgh - 3.3
Pleasant Hills - 3.2
Plum - 4.1
Port Vue - 3.9
Rankin - 3.3
Rennerdale - 2.9
Rosslyn Farms - 3.3
Russellton - 4.1
Seven Fields - 3.2
Sewickley - 2.9
Sewickley Heights - 2.9
Sewickley Hills - 2.9
Sharpsburg - 3.3
Springdale - 4.1
Sturgeon - 2.9
Sutersville - 3.9
Swissvale - 3.3
Tarentum - 4.1
Trafford - 4.1
Turtle Creek - 4.1
Valencia - 3.2
Verona - 4.1
Versailles - 3.9
Wall - 4.1
West Homestead - 3.3
West Mifflin - 3.2
West View - 3.3
Whitaker - 3.3
Whitehall - 3.2
White Oak - 3.9
Wilkinsburg - 4.1
Wilmerding - 4.1