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

25°F

-4°C

Humidity 53%
Wind Speed NW 6 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Mar 1:54 am EDT
Extended Forecast for

Valley Forge PA

  • Overnight

    Overnight: Mostly clear, with a low around 23. Northwest wind around 10 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Northwest wind around 5 mph becoming calm.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow after 2am. Cloudy, with a low around 33. South wind around 5 mph becoming calm. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Cloudy then
    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain before 8am. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.

    High: 55 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of rain after 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Northwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 40. Northwest wind around 5 mph becoming calm.
Wednesday Night
Partly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 50. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
A chance of rain and snow after 2am. Cloudy, with a low around 33. South wind around 5 mph becoming calm. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain before 8am. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
A chance of rain before 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.1°N 75.48°W (Elev. 200 ft)
Last Update:
5:56 pm EDT Mar 17, 2026
Forecast Valid:
2am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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