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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

59°F

15°C

Humidity 31%
Wind Speed W 13 G 24 mph
Barometer 30.14 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 4 Nov 12:15 pm EST
Extended Forecast for

Chesterbrook PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. West wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

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

    Low: 51 °F

    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 38. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 64. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 43. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 55. Northwest wind around 10 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 59.
Friday Night
Rain. Low around 51. Chance of precipitation is 80%.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterbrook PA
 40.06°N 75.46°W (Elev. 443 ft)
Last Update:
8:56 am EST Nov 4, 2025
Forecast Valid:
12pm EST Nov 4, 2025-6pm EST Nov 10, 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