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

78°F

26°C

Humidity 33%
Wind Speed Vrbl 7 G 20 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 1:54 pm EDT
Extended Forecast for

Valley Forge PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A chance of sprinkles after 8pm. Increasing clouds, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: Sunny, with a high near 86. West wind around 5 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.

    High: 94 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A chance of sprinkles after 8pm. Increasing clouds, with a low around 64. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 86. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 63. Calm wind.
Monday
Sunny, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.1°N 75.48°W (Elev. 200 ft)
Last Update:
4:08 am EDT May 16, 2026
Forecast Valid:
2pm EDT May 16, 2026-6pm EDT May 22, 2026
 
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