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

78°F

26°C

Humidity 35%
Wind Speed Vrbl 5 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 May 4:54 pm EDT
Extended Forecast for

Harleysville PA

  • Tonight

    Tonight: A chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers between 10pm and 2am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Northwest wind 5 to 15 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. North wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers between 10pm and 2am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 76. Northwest wind 5 to 15 mph.
Thursday Night
Mostly clear, with a low around 52. North wind around 5 mph.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harleysville PA
 40.27°N 75.39°W (Elev. 299 ft)
Last Update:
5:20 pm EDT May 26, 2026
Forecast Valid:
5pm EDT May 26, 2026-6pm EDT Jun 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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