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.

Fog

36°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 29.66 in (1004.4 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 7 Jan 4:54 am EST
Extended Forecast for

Spring Mount PA

Dense Fog Advisory until January 7, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 7, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 35 °F

    Slight Chance
    Rain and Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 5 to 10 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers

Detailed Forecast

Overnight
A slight chance of rain. Widespread fog. Otherwise, cloudy, with a low around 35. West wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
Showers. High near 59. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 41. Chance of precipitation is 70%.
Sunday
A chance of showers. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spring Mount PA
 40.28°N 75.47°W (Elev. 289 ft)
Last Update:
4:11 am EST Jan 7, 2026
Forecast Valid:
5am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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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