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

Briefing for Impacts from Strong Coastal Storm Sunday through Monday

A strong coastal storm is forecast to bring potentially significant impacts to our region. Moderate to major coastal flooding, strong to damaging winds, beach erosion, and very dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

50°F

10°C

Humidity 48%
Wind Speed Calm
Barometer 30.46 in (1031.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 9 Oct 7:54 pm EDT
Extended Forecast for

3 Miles NW Trappe PA

Frost Advisory October 10, 02:00am until October 10, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 65 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. Light northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 54. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 61. Breezy. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Rain

  • Columbus Day

    Columbus Day: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance Rain

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind.
Friday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. Light northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely. Cloudy, with a low around 54. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 61. Breezy. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 51. Chance of precipitation is 80%.
Columbus Day
Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 62.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Trappe PA
 40.22°N 75.51°W (Elev. 289 ft)
Last Update:
5:33 pm EDT Oct 9, 2025
Forecast Valid:
9pm EDT Oct 9, 2025-6pm EDT Oct 16, 2025
 
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