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

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 >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Partly Cloudy

68°F

20°C

Humidity 73%
Wind Speed N 3 mph
Barometer 29.96 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Aug 9:15 pm EDT
Extended Forecast for

3 Miles NNE Cheyney PA

  • Tonight

    Tonight: Clear, with a low around 57. North wind around 10 mph.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 81. North wind around 10 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. Calm wind becoming southwest around 5 mph.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Monday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 57. North wind around 10 mph.
Friday
Sunny, with a high near 81. North wind around 10 mph.
Friday Night
Clear, with a low around 58. Calm wind becoming southwest around 5 mph.
Saturday
Sunny, with a high near 82. Light southwest wind becoming south 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 64. South wind 5 to 10 mph.
Sunday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
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 59.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Cheyney PA
 39.97°N 75.5°W (Elev. 305 ft)
Last Update:
4:10 pm EDT Aug 21, 2025
Forecast Valid:
9pm EDT Aug 21, 2025-6pm EDT Aug 28, 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