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

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in (1018.7 mb)
Dewpoint 60°F (16°C)
Visibility 0.50 mi
Last update 26 May 2:54 am EDT
Extended Forecast for

3 Miles NNE Saint Peters PA

Dense Fog Advisory May 26, 03:50am until May 26, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory May 26, 03:50am until May 26, 08:00am

    NOW until 8:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 58 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm. Mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 58. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 2pm. Mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Saint Peters PA
 40.18°N 75.78°W (Elev. 591 ft)
Last Update:
9:51 pm EDT May 25, 2026
Forecast Valid:
3am EDT May 26, 2026-6pm EDT Jun 1, 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