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.

Light Rain Fog/Mist

46°F

8°C

Humidity 86%
Wind Speed NW 8 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 42°F (6°C)
Visibility 6.00 mi
Wind Chill42°F (6°C)
Last update 19 Apr 1:54 pm EDT
Extended Forecast for

Valley Forge PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • This Afternoon

    This Afternoon: A slight chance of showers before 3pm. Mostly cloudy, with a high near 56. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light west after midnight.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 3pm. Mostly cloudy, with a high near 56. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light west after midnight.
Monday
Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light north after midnight.
Tuesday
Sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 51.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
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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:
6:03 am EDT Apr 19, 2026
Forecast Valid:
2pm EDT Apr 19, 2026-6pm EDT Apr 25, 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