Montgomery County, PA: Current UV Index and Hourly Forecast

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As of 4:15 PM EDT on September 2, 2026, all 61 cities in Montgomery County, PA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Rockledge, PA with a reading of 2.1.

Over the next 24 hours, the highest UV Index reading in Montgomery County, PA is expected to be 7.5 in King of Prussia between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Montgomery County, PA

Current UV Index in Cities in Montgomery County, PA

• Ambler - 1.7
• Arcadia University - 1.8
• Ardmore - 1.8
• Audubon - 1.4
• Bala Cynwyd - 1.8
• Blue Bell - 1.7
• Bridgeport - 1.8
• Bryn Athyn - 1.9
• Bryn Mawr - 1.8
• Cheltenham Village - 2.1
• Collegeville - 1.4
• Conshohocken - 1.8
• Eagleville - 1.4
• East Greenville - 1.3
• Elkins Park - 1.8
• Evansburg - 1.4
• Flourtown - 1.8
• Fort Washington - 1.7
• Gilbertsville - 1.4
• Glenside - 1.8
• Green Lane - 1.4
• Halfway House - 1.5
• Harleysville - 1.4
• Hatboro - 1.9
• Jenkintown - 1.8
• King of Prussia - 2
• Kulpsville - 1.7
• Lansdale - 1.7
• Maple Glen - 1.7
• McKinley - 2.1
• Merion Station - 1.8
• Mont Clare - 1.4
• Montgomeryville - 1.7
• Narberth - 1.8
• Norristown - 1.8
• North Wales - 1.7
• Oreland - 1.8
• Penn Wynne - 1.8
• Pennsburg - 1.3
• Plymouth Meeting - 1.8
• Pottsgrove - 1.4
• Pottstown - 1.5
• Red Hill - 1.3
• Rockledge - 2.1
• Rosemont - 1.8
• Roslyn - 1.7
• Royersford - 1.4
• Sanatoga - 1.4
• Schwenksville - 1.4
• Souderton - 1.7
• Spring House - 1.7
• Spring Mount - 1.4
• Swedeland - 1.8
• Trappe - 1.4
• Trooper - 1.4
• Villanova - 1.8
• West Conshohocken - 1.8
• Willow Grove - 1.9
• Woxall - 1.4
• Wyncote - 1.8
• Wyndmoor - 1.8