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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

79°F

26°C

Humidity 54%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Sep 12:55 pm EDT
Extended Forecast for

3 Miles NNE Cheyney PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Northwest wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Northwest wind around 5 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. East wind 5 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 59. West wind around 5 mph.
Friday
Sunny, with a high near 85. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 57. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 76. East wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly cloudy, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Cheyney PA
 39.95°N 75.51°W (Elev. 299 ft)
Last Update:
4:09 am EDT Sep 18, 2025
Forecast Valid:
1pm EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation