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Briefing for Impacts from Hurricane Erin through Friday

Hurricane Erin is expected to bring several coastal and marine hazards to the coasts of New Jersey and Delaware through Friday. Widespread coastal flooding, high surf, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Overcast

61°F

16°C

Humidity 88%
Wind Speed NE 8 mph
Barometer 29.99 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 1:35 am EDT
Extended Forecast for

Arden DE

Coastal Flood Advisory August 21, 09:00pm until August 23, 02:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: A chance of showers, with thunderstorms also possible after 2am. Cloudy, with a low around 64. Northeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 71. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 80. North wind around 10 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60. East wind around 5 mph becoming southwest after midnight.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers, with thunderstorms also possible after 2am. Cloudy, with a low around 64. Northeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 71. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind around 10 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 80. North wind around 10 mph.
Friday Night
Clear, with a low around 60. East wind around 5 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arden DE
 39.84°N 75.5°W (Elev. 361 ft)
Last Update:
4:10 pm EDT Aug 20, 2025
Forecast Valid:
1am EDT Aug 21, 2025-6pm EDT Aug 27, 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