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

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Mostly Cloudy

77°F

25°C

Humidity 77%
Wind Speed Vrbl 3 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Aug 1:54 pm EDT
Extended Forecast for

Pottstown PA

Flood Watch August 20, 02:37pm until August 21, 02:00am
Severe T-storm Watch until August 20, 10:00pm
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch August 20, 02:37pm until August 21, 02:00am
    Severe T-storm Watch until August 20, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 79 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Some of the storms could produce heavy rainfall. Low around 61. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 9pm, then a chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 79. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Some of the storms could produce heavy rainfall. Low around 61. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 82. North wind around 5 mph.
Friday Night
A slight chance of showers before 9pm, then a chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pottstown PA
 40.26°N 75.65°W (Elev. 200 ft)
Last Update:
1:00 pm EDT Aug 20, 2026
Forecast Valid:
2pm EDT Aug 20, 2026-6pm EDT Aug 26, 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