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

91°F

33°C

Humidity 41%
Wind Speed Vrbl 7 mph
Barometer 30.09 in (1018.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 19 May 12:54 pm EDT
Extended Forecast for

Sassamansville PA

Heat Advisory May 19, 01:47pm until May 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 19, 01:47pm until May 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 92. West wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 2pm. Partly sunny, with a high near 70. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Thursday Night

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

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 96. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 92. West wind 5 to 15 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 likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 2pm. Partly sunny, with a high near 70. Northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
Showers. Low around 47. Chance of precipitation is 90%.
Saturday
Showers. High near 62. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 52. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Memorial Day
Mostly cloudy, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sassamansville PA
 40.29°N 75.59°W (Elev. 299 ft)
Last Update:
4:07 am EDT May 19, 2026
Forecast Valid:
1pm EDT May 19, 2026-6pm EDT May 25, 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