Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

67°F

19°C

Humidity 88%
Wind Speed SW 5 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 May 1:55 am EDT
Extended Forecast for

Exton PA

  • Overnight

    Overnight: A chance of showers.  Cloudy, with a low around 64. Calm wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm.  Patchy fog between 7am and 10am.  Otherwise, mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am.  Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming north after midnight.  Chance of precipitation is 30%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 30%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. North wind around 5 mph.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.03°N 75.64°W (Elev. 299 ft)
8:35 pm EDT May 26, 2026
2am EDT May 27, 2026-6pm EDT Jun 2, 2026
 
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