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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

71°F

22°C

Humidity 87%
Wind Speed Vrbl 3 mph
Barometer 29.76 in (1007.4 mb)
Dewpoint 67°F (19°C)
Visibility NA
Last update 18 Jun 1:54 am EDT
Extended Forecast for

Pottstown PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 90. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 58. West wind 5 to 10 mph.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. South wind around 5 mph.
Thursday
A chance of showers and thunderstorms, mainly before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 90. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Increasing clouds, with a low around 63. West wind 5 to 15 mph, with gusts as high as 25 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 58. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 81. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pottstown PA
 40.25°N 75.62°W (Elev. 200 ft)
Last Update:
4:08 pm EDT Jun 17, 2026
Forecast Valid:
2am EDT Jun 18, 2026-6pm EDT Jun 24, 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