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.

Overcast

46°F

8°C

Humidity 73%
Wind Speed Calm
Barometer 30.16 in (1021.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 22 Apr 3:54 am EDT
Extended Forecast for

Valley Forge PA

  • Overnight

    Overnight: A slight chance of showers after 5am. Cloudy, with a low around 44. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly between 9am and 11am. Mostly cloudy, with a high near 63. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 73. Northwest wind 5 to 10 mph.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. North wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely. Cloudy, with a high near 53. Chance of precipitation is 70%.

    High: 53 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers after 5am. Cloudy, with a low around 44. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Showers likely, mainly between 9am and 11am. Mostly cloudy, with a high near 63. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 73. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 49. North wind around 5 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
Showers likely. Cloudy, with a high near 53. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A chance of showers before 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 64.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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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:
4:10 am EDT Apr 22, 2026
Forecast Valid:
4am EDT Apr 22, 2026-6pm EDT Apr 28, 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