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

50°F

10°C

Humidity 41%
Wind Speed SW 3 mph
Barometer 29.66 in (1004.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 14 Jan 10:54 am EST
Extended Forecast for

Valley Forge PA

  • Today

    Today: A chance of rain, mainly after 4pm. Cloudy, with a high near 51. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely before 2am, then rain and snow likely. Cloudy, with a low around 27. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of snow before 7am, then a slight chance of snow showers between 7am and 1pm. Partly sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly after 4pm. Cloudy, with a high near 51. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely before 2am, then rain and snow likely. Cloudy, with a low around 27. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow before 7am, then a slight chance of snow showers between 7am and 1pm. Partly sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 18. West wind around 15 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 32. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of snow before 1pm, then a chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 26.
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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:
4:12 am EST Jan 14, 2026
Forecast Valid:
11am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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Chance of Precipitation