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

77°F

25°C

Humidity 43%
Wind Speed SW 12 G 25 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Mar 6:54 pm EDT
Extended Forecast for

Valley Forge PA

  • Tonight

    Tonight: A slight chance of showers before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 79. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 48. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. East wind around 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: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 46. East wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 79. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 48. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. East wind around 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.
Thursday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 46. East wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
A chance of rain after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
4:11 pm EDT Mar 31, 2026
Forecast Valid:
7pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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