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

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fog/Mist

51°F

11°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 30.01 in
Dewpoint 51°F (11°C)
Visibility 1.75 mi
Last update 10 Mar 4:55 am EDT
Extended Forecast for

4 Miles W West Chester PA

  • Today

    Today: Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 48. Breezy.

    High: 48 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 51. South wind around 5 mph.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 29.
Friday
Partly sunny, with a high near 48. Breezy.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Rain. Low around 44. Chance of precipitation is 90%.
Monday
Rain. High near 55. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W West Chester PA
 39.95°N 75.68°W (Elev. 299 ft)
Last Update:
4:08 am EDT Mar 10, 2026
Forecast Valid:
5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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