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.

45°F

7°C

Humidity 74%
Wind Speed NW 5 mph
Barometer 29.97 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Nov 3:55 am EST
Extended Forecast for

Exton PA

  • Veterans Day

    Veterans Day: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest around 5 mph.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Southeast wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly after 9am. High near 61. East wind around 5 mph becoming west in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 47. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest around 5 mph.
Tonight
Mostly cloudy, with a low around 46. Southeast wind around 5 mph.
Thursday
Rain, mainly after 9am. High near 61. East wind around 5 mph becoming west in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 47. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.03°N 75.61°W (Elev. 394 ft)
Last Update:
1:23 am EST Nov 11, 2026
Forecast Valid:
4am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
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Additional Resources

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Chance of Precipitation