Montgomery County, PA: Current UV Index and Hourly Forecast

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As of 9:30 AM EDT on June 25, 2025, all 61 cities in Montgomery County, PA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Lansdale, PA with a reading of 3.2.

Over the next 24 hours, the highest UV Index reading in Montgomery County, PA is expected to be 10.3 in King of Prussia between 1:00 PM - 2:00 PM EDT today.

Search Cities in Montgomery County, PA

Current UV Index in Cities in Montgomery County, PA

• Ambler - 3.2
• Arcadia University - 3.1
• Ardmore - 3.1
• Audubon - 3.1
• Bala Cynwyd - 3.1
• Blue Bell - 3.2
• Bridgeport - 3.1
• Bryn Athyn - 3.2
• Bryn Mawr - 3.1
• Cheltenham Village - 3.1
• Collegeville - 3.1
• Conshohocken - 3.1
• Eagleville - 3.1
• East Greenville - 3.2
• Elkins Park - 3.1
• Evansburg - 3.1
• Flourtown - 3.1
• Fort Washington - 3.2
• Gilbertsville - 3.1
• Glenside - 3.1
• Green Lane - 3.1
• Halfway House - 3.1
• Harleysville - 3.1
• Hatboro - 3.2
• Jenkintown - 3.1
• King of Prussia - 3.1
• Kulpsville - 3.2
• Lansdale - 3.2
• Maple Glen - 3.2
• McKinley - 3.1
• Merion Station - 3.1
• Mont Clare - 3.1
• Montgomeryville - 3.2
• Narberth - 3.1
• Norristown - 3.1
• North Wales - 3.2
• Oreland - 3.1
• Penn Wynne - 3.1
• Pennsburg - 3.2
• Plymouth Meeting - 3.1
• Pottsgrove - 3.1
• Pottstown - 3.1
• Red Hill - 3.2
• Rockledge - 3.1
• Rosemont - 3.1
• Roslyn - 3.2
• Royersford - 3.1
• Sanatoga - 3.1
• Schwenksville - 3.1
• Souderton - 3.2
• Spring House - 3.2
• Spring Mount - 3.1
• Swedeland - 3.1
• Trappe - 3.1
• Trooper - 3.1
• Villanova - 3.1
• West Conshohocken - 3.1
• Willow Grove - 3.2
• Woxall - 3.1
• Wyncote - 3.1
• Wyndmoor - 3.1