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

12°F

-11°C

Humidity 53%
Wind Speed Calm
Barometer 30.26 in (1024.8 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 20 Jan 4:54 am EST
Extended Forecast for

Malvern PA

Cold Weather Advisory until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 20, 10:00am

    NOW until 10:00am Tue

    Cold Weather Advisory

  • Overnight

    Low: 11 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21. Wind chill values as low as -1. 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 8. West wind around 5 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 34. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 34 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South wind 10 to 15 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Overnight
Clear, with a low around 11. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 21. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 8. West wind around 5 mph.
Wednesday
Increasing clouds, with a high near 34. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29. South wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 8.
Saturday
A chance of snow after 1pm. Partly sunny, with a high near 17. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 50%.
Sunday
Snow likely. Mostly cloudy, with a high near 18. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Malvern PA
 40°N 75.55°W (Elev. 479 ft)
Last Update:
4:11 am EST Jan 20, 2026
Forecast Valid:
5am EST Jan 20, 2026-6pm EST Jan 26, 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