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

32°F

0°C

Humidity 64%
Wind Speed S 5 mph
Barometer 30.30 in (1025.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 19 Mar 4:54 am EDT
Extended Forecast for

Valley Forge PA

  • Today

    Today: Partly sunny, with a high near 50. South wind 5 to 10 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Mostly sunny, with a high near 61. Light southwest wind becoming south 10 to 15 mph in the afternoon. Chance of precipitation is 20%.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am. Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    then Mostly
    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

Today
Partly sunny, with a high near 50. South wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 34. South wind around 5 mph.
Friday
A slight chance of rain after 2pm. Mostly sunny, with a high near 61. Light southwest wind becoming south 10 to 15 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 8am. Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
5:37 am EDT Mar 19, 2026
Forecast Valid:
5am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation