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

74°F

23°C

Humidity 62%
Wind Speed SW 3 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 9:54 am EDT
Extended Forecast for

Valley Forge PA

  • Today

    Today: Mostly sunny, with a high near 89. West wind 5 to 15 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. Southwest wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 89. West wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 67. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph.
Friday
A chance of showers. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
4:09 am EDT Apr 15, 2026
Forecast Valid:
9am EDT Apr 15, 2026-6pm EDT Apr 21, 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