Upper Merion, PA Weather Forecast
Montgomery County, Pennsylvania
Live radar, warnings and storm tracking for Upper Merion, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Upper Merion
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Upper Merion, PA at a glance
Upper Merion is home to about 35,688 people in Montgomery County, across 17 square miles. It ranks 27th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Bridgeport, 2 miles away.
- County
- Montgomery County
- Population
- 35,688 2023 est.
- Land area
- 17 sq mi
- People per sq mi
- 2,103
- Forecast point
- 40.0897°N, 75.3808°W
How well can the network see Upper Merion?
The nearest Doppler radar is KDIX (Philadelphia, PA), to the E. Its lowest scan passes about 3,800 ft above Upper Merion. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KLOM (Philadelphia/Wings Field Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Upper Merion
- Bridgeport, PA2 mi
- West Norriton, PA3 mi
- Norristown, PA3 mi
- Tredyffrin, PA4 mi
- Conshohocken, PA4 mi
- Lower Providence, PA4 mi
- Radnor, PA5 mi
- Plymouth, PA5 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

