National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

52°F

11°C

Humidity 88%
Wind Speed E 9 mph
Barometer 29.91 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 18 Apr 10:10 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

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. Patchy fog before 8am. High near 55. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 55.

    High: 55 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. Patchy fog before 8am. High near 55. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 51.
Saturday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.1°N 75.45°W (Elev. 200 ft)
Last Update:
4:11 pm EDT Apr 18, 2026
Forecast Valid:
10pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation