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.

Overcast

49°F

9°C

Humidity 71%
Wind Speed S 3 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 26 Mar 5:54 am EDT
Extended Forecast for

Valley Forge PA

  • Today

    Today: Partly sunny, with a high near 74. Southwest wind 10 to 15 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Showers, mainly after 1am. Low around 50. Southwest wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before noon. Temperature falling to around 50 by 3pm. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F⇓

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Cloudy during the early evening, then gradual clearing, with a low around 29. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 43. Northwest wind around 15 mph.

    High: 43 °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

Today
Partly sunny, with a high near 74. Southwest wind 10 to 15 mph.
Tonight
Showers, mainly after 1am. Low around 50. Southwest wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before noon. Temperature falling to around 50 by 3pm. 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 2am. Cloudy during the early evening, then gradual clearing, with a low around 29. North wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 43. Northwest wind around 15 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%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
4:10 am EDT Mar 26, 2026
Forecast Valid:
6am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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