National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in (1021.3 mb)
Dewpoint 57°F (14°C)
Visibility 2.50 mi
Last update 25 May 12:54 am EDT
Extended Forecast for

Malvern PA

  • Overnight

    Overnight: A chance of showers, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: Showers and thunderstorms likely, mainly before 2pm, then a slight chance of thunderstorms after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 73. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 2am. Cloudy, with a low around 60. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 77. Northeast wind around 5 mph becoming south in the afternoon.

    High: 77 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Memorial Day
Showers and thunderstorms likely, mainly before 2pm, then a slight chance of thunderstorms after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 73. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers between 8pm and 2am. Cloudy, with a low around 60. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 77. Northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 61. Southwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 70.
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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:
4:07 pm EDT May 24, 2026
Forecast Valid:
1am EDT May 25, 2026-6pm EDT May 31, 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