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

Heavy Rainfall Continues from the Southwest to the Plains; Severe Thunderstorms in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact the Southwest into the Plains. Scattered severe thunderstorms capable of mainly severe wind gusts appear possible across portions of the southern Plains this afternoon into tonight. There is also a risk of isolated severe winds gusts and tornadoes in Kansas into Nebraska. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Overcast

74°F

23°C

Humidity 60%
Wind Speed SW 3 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 30 Sep 3:54 pm EDT
Extended Forecast for

Devon-Berwyn PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 78. South wind around 5 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 56. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Southwest wind around 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 78. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph.
Friday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Clear, with a low around 42.
Wednesday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Devon-Berwyn PA
 40.03°N 75.43°W (Elev. 400 ft)
Last Update:
4:11 pm EDT Sep 30, 2026
Forecast Valid:
4pm EDT Sep 30, 2026-6pm EDT Oct 7, 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