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.

Light Snow Fog/Mist

32°F

0°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill27°F (-3°C)
Last update 18 Jan 11:54 am EST
Extended Forecast for

3 Miles NNE Saint Peters PA

Winter Weather Advisory until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 18, 08:00pm

    NOW until 8:00pm Sun

    Winter Weather Advisory

  • This Afternoon

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 17. West wind 5 to 10 mph.

    Low: 17 °F

    Gradual
    Clearing

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 32. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of snow. Cloudy, with a high near 34. Northwest wind around 5 mph. Chance of precipitation is 40%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 17. West wind 5 to 10 mph.
M.L.King Day
Mostly sunny, with a high near 32. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 10. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 21. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Saint Peters PA
 40.2°N 75.78°W (Elev. 499 ft)
Last Update:
4:11 am EST Jan 18, 2026
Forecast Valid:
12pm EST Jan 18, 2026-6pm EST Jan 24, 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