Montgomery County, PA: Current UV Index and Hourly Forecast

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As of 1:54 PM EST on January 3, 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 King of Prussia, PA with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Montgomery County, PA is expected to be 1.6 in Pottstown between 12:00 PM - 1:00 PM EST tomorrow.

Search Cities in Montgomery County, PA

Current UV Index in Cities in Montgomery County, PA

• Ambler - 1.2
• Arcadia University - 1.2
• Ardmore - 1.2
• Audubon - 1.2
• Bala Cynwyd - 1.2
• Blue Bell - 1.2
• Bridgeport - 1.2
• Bryn Athyn - 1.2
• Bryn Mawr - 1.2
• Cheltenham Village - 1.2
• Collegeville - 1.2
• Conshohocken - 1.2
• Eagleville - 1.2
• East Greenville - 1.2
• Elkins Park - 1.2
• Evansburg - 1.2
• Flourtown - 1.2
• Fort Washington - 1.2
• Gilbertsville - 1.2
• Glenside - 1.2
• Green Lane - 1.2
• Halfway House - 1.2
• Harleysville - 1.2
• Hatboro - 1.2
• Jenkintown - 1.2
• King of Prussia - 1.3
• Kulpsville - 1.2
• Lansdale - 1.2
• Maple Glen - 1.2
• McKinley - 1.2
• Merion Station - 1.2
• Mont Clare - 1.2
• Montgomeryville - 1.2
• Narberth - 1.2
• Norristown - 1.2
• North Wales - 1.2
• Oreland - 1.2
• Penn Wynne - 1.2
• Pennsburg - 1.2
• Plymouth Meeting - 1.2
• Pottsgrove - 1.2
• Pottstown - 1.2
• Red Hill - 1.2
• Rockledge - 1.2
• Rosemont - 1.2
• Roslyn - 1.2
• Royersford - 1.2
• Sanatoga - 1.2
• Schwenksville - 1.2
• Souderton - 1.2
• Spring House - 1.2
• Spring Mount - 1.2
• Swedeland - 1.2
• Trappe - 1.2
• Trooper - 1.2
• Villanova - 1.2
• West Conshohocken - 1.2
• Willow Grove - 1.2
• Woxall - 1.2
• Wyncote - 1.2
• Wyndmoor - 1.2