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

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

89°F

32°C

Humidity 31%
Wind Speed SW 12 G 20 mph
Barometer 29.77 in (1007.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Apr 4:54 pm EDT
Extended Forecast for

Valley Forge PA

  • Tonight

    Tonight: A slight chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 1pm, then a slight chance of showers after 2pm. Mostly sunny, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Calm wind becoming east around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
A slight chance of showers before 1pm, then a slight chance of showers after 2pm. Mostly sunny, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 58. Calm wind becoming east around 5 mph.
Saturday
Mostly sunny, with a high near 79. East wind 5 to 10 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm. High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Forge PA
 40.08°N 75.48°W (Elev. 230 ft)
Last Update:
4:10 pm EDT Apr 16, 2026
Forecast Valid:
5pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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