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.

Fair

31°F

-1°C

Humidity 85%
Wind Speed E 5 mph
Barometer 30.40 in (1029.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 25 Mar 6:54 am EDT
Extended Forecast for

Harleysville PA

  • Today

    Today: Partly sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. South wind around 5 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 69. Southwest wind 10 to 15 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 52. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 53. North wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers then
    Chance
    Showers

  • Friday Night

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

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 41. South wind around 5 mph.
Thursday
Partly sunny, with a high near 69. Southwest wind 10 to 15 mph.
Thursday Night
Showers, mainly after 2am. Low around 52. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before 8am. High near 53. North wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harleysville PA
 40.27°N 75.39°W (Elev. 299 ft)
Last Update:
4:09 am EDT Mar 25, 2026
Forecast Valid:
7am EDT Mar 25, 2026-6pm EDT Mar 31, 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