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

44°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.12 in (1019.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Oct 4:54 am EDT
Extended Forecast for

Valley Forge PA

  • Today

    Today: Mostly sunny, with a high near 72. West wind 5 to 15 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. West wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. North wind around 5 mph becoming southeast in the afternoon.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 57. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 66. East wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 61. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. West wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 49. West wind around 5 mph.
Saturday
Partly sunny, with a high near 72. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 57. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 8am. High near 66. East wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 61. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.1°N 75.48°W (Elev. 200 ft)
Last Update:
4:09 am EDT Oct 9, 2026
Forecast Valid:
5am EDT Oct 9, 2026-6pm EDT Oct 15, 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