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

77°F

25°C

Humidity 66%
Wind Speed Calm
Barometer 30.05 in (1017.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 May 9:54 pm EDT
Extended Forecast for

Pottstown PASimilar City Names

Heat Advisory May 19, 10:11pm until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 19, 10:11pm until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 93. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 2am, then showers likely. Low around 55. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers. High near 61. Chance of precipitation is 90%.

    High: 61 °F

    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. West wind around 5 mph becoming calm after midnight.
Wednesday
A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 93. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 2am, then showers likely. Low around 55. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 50. Calm wind.
Friday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 48. Chance of precipitation is 80%.
Saturday
Showers. High near 61. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 51. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Cloudy, with a low around 55. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pottstown PASimilar City Names
 40.26°N 75.65°W (Elev. 200 ft)
Last Update:
7:15 pm EDT May 19, 2026
Forecast Valid:
10pm EDT May 19, 2026-6pm EDT May 26, 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