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

Coastal and Marine Hazards This Week

Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

60°F

16°C

Humidity 62%
Wind Speed NE 6 mph
Barometer 30.43 in (1030.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 23 Sep 6:54 pm EDT
Extended Forecast for

Harleysville PA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northeast wind 10 to 15 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. North wind around 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Mostly cloudy, with a low around 52. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Northeast wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 67. Northeast wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 49. North wind around 10 mph.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 52. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 77.
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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:
4:10 pm EDT Sep 23, 2026
Forecast Valid:
7pm EDT Sep 23, 2026-6pm EDT Sep 30, 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