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

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Harleysville PA

  • Tonight

    Tonight: Rain likely, mainly before 4am. Cloudy, with a low around 30. Light south wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of snow showers before 8am. Cloudy through mid morning, then becoming mostly sunny, with a temperature falling to around 27 by 5pm. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 32 °F⇓

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 34. West wind 10 to 15 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 26. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly before 4am. Cloudy, with a low around 30. Light south wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of snow showers before 8am. Cloudy through mid morning, then becoming mostly sunny, with a temperature falling to around 27 by 5pm. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 34. West wind 10 to 15 mph.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 26. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harleysville PA
 40.28°N 75.41°W (Elev. 200 ft)
Last Update:
4:18 pm EST Jan 14, 2026
Forecast Valid:
11pm EST Jan 14, 2026-6pm EST Jan 21, 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