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

41°F

5°C

Humidity 77%
Wind Speed SE 9 mph
Barometer 29.75 in
Dewpoint 34°F (1°C)
Visibility 8.00 mi
Wind Chill35°F (2°C)
Last update 6 Jan 4:15 pm EST
Extended Forecast for

West Chester PA

  • Tonight

    Tonight: Widespread fog between 11pm and 4am. Otherwise, mostly cloudy, with a low around 37. East wind around 5 mph becoming calm.

    Low: 37 °F

    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Northwest wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Tonight
Widespread fog between 11pm and 4am. Otherwise, mostly cloudy, with a low around 37. East wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 49. West wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 32. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Friday
Showers likely, mainly after 1pm. Cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
Showers. High near 57. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.96°N 75.62°W (Elev. 397 ft)
Last Update:
4:13 pm EST Jan 6, 2026
Forecast Valid:
4pm EST Jan 6, 2026-6pm EST Jan 13, 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