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

Severe Storm and Dangerous Heat Risks through Friday

Severe thunderstorms are possible each afternoon and evening through Friday. Additionally, dangerous heat and humidity is expected for portions of the area Thursday through Friday. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Mostly Cloudy

87°F

31°C

Humidity 61%
Wind Speed Vrbl 6 mph
Barometer 29.77 in (1007.6 mb)
Dewpoint 72°F (22°C)
Visibility NA
Heat Index93°F (34°C)
Last update 12 Jun 1:54 pm EDT
Extended Forecast for

Pottstown PASimilar City Names

Heat Advisory June 12, 02:32pm until June 12, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 12, 02:32pm until June 12, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87. Northwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Light south wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 94. Heat index values as high as 102. West wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 87. Northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 63. Calm wind.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Light south wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pottstown PASimilar City Names
 40.26°N 75.65°W (Elev. 200 ft)
Last Update:
4:08 am EDT Jun 12, 2026
Forecast Valid:
2pm EDT Jun 12, 2026-6pm EDT Jun 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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