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

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

88°F

31°C

Humidity 35%
Wind Speed W 9 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Apr 1:54 pm EDT
Extended Forecast for

Valley Forge PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly clear, with a low around 58. North wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 58. North wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 30%.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 70.
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 Apr 16, 2026
Forecast Valid:
2pm EDT Apr 16, 2026-6pm EDT Apr 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