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

Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Partly Cloudy

52°F

11°C

Humidity 82%
Wind Speed N 5 mph
Barometer 29.71 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Nov 3:15 am EST
Extended Forecast for

West Chester PA

  • Overnight

    Overnight: A slight chance of showers before 5am. Mostly cloudy, with a low around 42. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 7am and 8am. Partly sunny, with a high near 49. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind 10 to 15 mph.

    Low: 27 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 43. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 43 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers before 5am. Mostly cloudy, with a low around 42. Northwest wind around 5 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers between 7am and 8am. Partly sunny, with a high near 49. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 27. Northwest wind 10 to 15 mph.
Veterans Day
Increasing clouds, with a high near 43. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.94°N 75.59°W (Elev. 390 ft)
Last Update:
8:00 pm EST Nov 9, 2025
Forecast Valid:
3am EST Nov 10, 2025-6pm EST Nov 16, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation