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

Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

54°F

12°C

Humidity 54%
Wind Speed NW 3 mph
Barometer 30.30 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Oct 12:55 am EDT
Extended Forecast for

Exton PA

  • Overnight

    Overnight: Clear, with a low around 44. North wind around 10 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 10 to 15 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 5am. Otherwise, clear, with a low around 38. North wind around 5 mph.

    Low: 38 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 65. Northeast wind around 5 mph becoming south in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 44. North wind around 10 mph.
Thursday
Sunny, with a high near 62. North wind 10 to 15 mph.
Thursday Night
Areas of frost after 5am. Otherwise, clear, with a low around 38. North wind around 5 mph.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 65. Northeast wind around 5 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Columbus Day
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.03°N 75.64°W (Elev. 299 ft)
Last Update:
9:02 pm EDT Oct 8, 2025
Forecast Valid:
1am EDT Oct 9, 2025-6pm EDT Oct 15, 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