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

38°F

3°C

Humidity 70%
Wind Speed NE 3 mph
Barometer 30.47 in (1031.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 12 Apr 4:54 am EDT
Extended Forecast for

Valley Forge PA

Frost Advisory April 12, 05:56am until April 12, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory April 12, 05:56am until April 12, 08:00am

    NOW until 8:00am Sun

    Frost Advisory

  • Today

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. South wind around 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Partly sunny, with a high near 79. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 64. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 49. South wind around 10 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 79. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 58. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
4:11 am EDT Apr 12, 2026
Forecast Valid:
5am EDT Apr 12, 2026-6pm EDT Apr 18, 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