National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Storm System Across the Central U.S.

A storm system will slowly continue to press across the central U.S. Friday and Saturday with widespread showers and thunderstorms. Slight risks for severe thunderstorms and excessive rainfall have been issued Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

47°F

8°C

Humidity 50%
Wind Speed N 5 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Oct 11:54 pm EDT
Extended Forecast for

Valley Forge PA

  • Overnight

    Overnight: Clear, with a low around 36. Northwest wind 5 to 10 mph.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62. North wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 36. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 62. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 40. Calm wind.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 48. Calm wind.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers, mainly after 8pm. Low around 49. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 61.
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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:
4:10 pm EDT Oct 16, 2025
Forecast Valid:
12am EDT Oct 17, 2025-6pm EDT Oct 23, 2025
 
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