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Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

41°F

5°C

Humidity 55%
Wind Speed N 7 mph
Barometer 30.49 in (1032.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Oct 2:54 am EDT
Extended Forecast for

Valley Forge PA

Freeze Warning October 18, 03:21am until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning October 18, 03:21am until October 18, 09:00am

    NOW until 9:00am Sun

    Freeze Warning

  • Overnight

    Low: 34 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 59. North wind around 5 mph.

    High: 59 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 2am. Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 10am. Otherwise, increasing clouds, with a high near 63. Northeast wind 5 to 10 mph.

    High: 63 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. North wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Widespread frost after 4am. Otherwise, clear, with a low around 34. North wind around 5 mph.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 59. North wind around 5 mph.
Sunday Night
Areas of frost after 2am. Otherwise, clear, with a low around 33. Calm wind.
Monday
Areas of frost before 10am. Otherwise, increasing clouds, with a high near 63. Northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 43. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.13°N 75.47°W (Elev. 98 ft)
Last Update:
2:27 am EDT Oct 18, 2026
Forecast Valid:
3am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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