National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm Impacting the Region through Monday

Significant heavy snowfall is forecast from a winter storm through Monday, with potential for major to extreme impacts. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed NE 16 G 25 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 31°F (-1°C)
Visibility 1.00 mi
Wind Chill21°F (-6°C)
Last update 22 Feb 5:54 pm EST
Extended Forecast for

Harleysville PA

Winter Storm Warning February 22, 06:54pm until February 23, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 22, 06:54pm until February 23, 06:00pm

    NOW until 6:00pm Mon

    Winter Storm Warning

  • Tonight

    Low: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before noon. The snow could be heavy at times. Areas of blowing snow before 9am. High near 35. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely after 1am. Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Mostly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Areas of blowing snow before 11pm, then areas of blowing snow after midnight. Low around 29. Blustery, with a north wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 9 to 13 inches possible.
Monday
Snow, mainly before noon. The snow could be heavy at times. Areas of blowing snow before 9am. High near 35. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Mostly cloudy, with a low around 19. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Snow likely after 1am. Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
A chance of rain and snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harleysville PA
 40.3°N 75.41°W (Elev. 207 ft)
Last Update:
4:17 pm EST Feb 22, 2026
Forecast Valid:
6pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation