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

39°F

4°C

Humidity 65%
Wind Speed Calm
Barometer 30.14 in (1020.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 16 Feb 1:54 pm EST
Extended Forecast for

Valley Forge PA

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 40. North wind around 5 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 48. West wind around 5 mph becoming calm in the afternoon.

    High: 48 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 49. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 1am. Partly cloudy, with a low around 40. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely. Cloudy, with a high near 44. Chance of precipitation is 70%.

    High: 44 °F

    Rain Likely

Detailed Forecast

Washington's Birthday
Partly sunny, with a high near 40. North wind around 5 mph.
Tonight
Mostly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 48. West wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 35. Calm wind.
Wednesday
A chance of rain. Cloudy, with a high near 49. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain before 1am. Partly cloudy, with a low around 40. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Friday
Rain likely. Cloudy, with a high near 44. Chance of precipitation is 70%.
Friday Night
A chance of rain. Cloudy, with a low around 35. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41. 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:
4:14 am EST Feb 16, 2026
Forecast Valid:
2pm EST Feb 16, 2026-6pm EST Feb 22, 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