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.

Partly Cloudy

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.06 in (1018.0 mb)
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Last update 17 Jan 3:54 pm EST
Extended Forecast for

Malvern PA

Winter Weather Advisory January 18, 06:00am until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of rain after 4am, mixing with snow after 5am. Increasing clouds, with a low around 31. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, mainly between 7am and 2pm. Cloudy, with a high near 33. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12. West wind 10 to 15 mph.

    Low: 12 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain after 4am, mixing with snow after 5am. Increasing clouds, with a low around 31. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly between 7am and 2pm. Cloudy, with a high near 33. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A chance of snow before 1am. Cloudy during the early evening, then gradual clearing, with a low around 19. West wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
M.L.King Day
Mostly sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 12. West wind 10 to 15 mph.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Malvern PA
 40.04°N 75.52°W (Elev. 358 ft)
Last Update:
3:11 pm EST Jan 17, 2026
Forecast Valid:
4pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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