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

74°F

23°C

Humidity 33%
Wind Speed S 13 G 20 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 26 Mar 2:54 pm EDT
Extended Forecast for

Valley Forge PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 51. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Periods of rain, mainly before 9am. Temperature falling to around 49 by 11am. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F⇓

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 28. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 44. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 51. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Periods of rain, mainly before 9am. Temperature falling to around 49 by 11am. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 28. North wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 44. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 60.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 66. Chance of precipitation is 40%.
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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:
12:06 pm EDT Mar 26, 2026
Forecast Valid:
2pm EDT Mar 26, 2026-6pm EDT Apr 1, 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