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.

Mostly Cloudy

48°F

9°C

Humidity 65%
Wind Speed NW 9 mph
Barometer 29.94 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Jan 6:15 pm EST
Extended Forecast for

4 Miles W West Chester PA

  • Tonight

    Tonight: Partly cloudy, with a low around 33. West wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. Calm wind becoming northwest around 5 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 54. 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: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 49. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 59. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. West wind around 5 mph.
Thursday
Sunny, with a high near 49. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 54. 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.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 49. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 59. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain, mainly before 1am. Low around 41. Chance of precipitation is 80%.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 43.
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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:
4:12 pm EST Jan 7, 2026
Forecast Valid:
6pm EST Jan 7, 2026-6pm EST Jan 14, 2026
 
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