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.

62°F

17°C

Humidity 96%
Wind Speed NW 8 mph
Barometer 29.82 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Oct 10:35 pm EDT
Extended Forecast for

Exton PA

  • Tonight

    Tonight: A chance of showers, mainly between 2am and 4am. Cloudy, with a low around 44. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 52 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. North wind 5 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Northeast wind around 5 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind becoming north around 5 mph after midnight.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly sunny, with a high near 58. Chance of precipitation is 20%.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly between 2am and 4am. Cloudy, with a low around 44. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 33. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 55. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 37. Calm wind becoming north around 5 mph after midnight.
Monday
A slight chance of showers after 2pm. Mostly sunny, with a high near 58. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.01°N 75.64°W (Elev. 476 ft)
Last Update:
9:02 pm EDT Oct 16, 2026
Forecast Valid:
10pm EDT Oct 16, 2026-6pm EDT Oct 23, 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