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

80°F

27°C

Humidity 45%
Wind Speed S 7 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Apr 8:54 pm EDT
Extended Forecast for

Valley Forge PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Southwest wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 8am. Partly sunny, with a high near 80. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. North wind around 5 mph becoming calm.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Thursday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 8am. Partly sunny, with a high near 80. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
4:10 pm EDT Apr 15, 2026
Forecast Valid:
9pm EDT Apr 15, 2026-6pm EDT Apr 22, 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