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

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

79°F

26°C

Humidity 35%
Wind Speed SW 13 G 16 mph
Barometer 29.97 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 May 5:30 pm EDT
Extended Forecast for

Valley Forge PA

  • Tonight

    Tonight: A chance of sprinkles between 10pm and 2am. Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: Sunny, with a high near 87. West wind around 5 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 70%.

    High: 95 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of sprinkles between 10pm and 2am. Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 87. West wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 64. Calm wind.
Monday
Sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68. South wind around 5 mph.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
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:
4:08 pm EDT May 16, 2026
Forecast Valid:
5pm EDT May 16, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation