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.

56°F

13°C

Humidity 81%
Wind Speed N 7 mph
Barometer 30.20 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Oct 8:55 am EDT
Extended Forecast for

West Chester PA

  • Today

    Today: Mostly sunny, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 46. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 52. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 10am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. East wind around 5 mph.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 77. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 46. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 52. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Patchy frost. Otherwise, mostly clear, with a low around 35.
Sunday
Patchy frost before 10am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.96°N 75.62°W (Elev. 397 ft)
Last Update:
4:09 am EDT Oct 15, 2026
Forecast Valid:
9am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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