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

36°F

2°C

Humidity 67%
Wind Speed W 5 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Mar 7:54 am EDT
Extended Forecast for

Valley Forge PA

  • Today

    Today: Sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. East wind 5 to 15 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 47. Southeast wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance Rain
    then Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 67. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 31. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 31 °F

    Breezy.
    Showers then
    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.
Tonight
Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 54. East wind 5 to 15 mph.
Sunday Night
A chance of rain before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 47. Southeast wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, with thunderstorms also possible after 11am. High near 67. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 31. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.1°N 75.48°W (Elev. 200 ft)
Last Update:
4:12 am EDT Mar 14, 2026
Forecast Valid:
8am EDT Mar 14, 2026-6pm EDT Mar 20, 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