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

68°F

20°C

Humidity 35%
Wind Speed W 8 G 22 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 12:54 pm EDT
Extended Forecast for

Valley Forge PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southwest wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. South wind around 5 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.

    High: 74 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. South wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 60%.

    High: 55 °F

    Breezy.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly clear, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 44. South wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. South wind around 5 mph becoming calm.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly clear, with a low around 30. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 49.
Friday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Cloudy, with a high near 56.
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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:
6:15 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 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