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.

Overcast

41°F

5°C

Humidity 51%
Wind Speed Vrbl 6 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 19 Mar 1:54 pm EDT
Extended Forecast for

Valley Forge PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 48. Southwest wind around 5 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. South wind around 5 mph becoming calm.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 61. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 61 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind 5 to 10 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: Rain likely before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 48. Southwest wind around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. South wind around 5 mph becoming calm.
Friday
Increasing clouds, with a high near 61. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
Showers likely, mainly between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 63. Northwest wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Monday
Rain likely before 8am. Partly sunny, with a high near 52. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
1:53 pm EDT Mar 19, 2026
Forecast Valid:
2pm EDT Mar 19, 2026-6pm EDT Mar 25, 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