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.

Fair

30°F

-1°C

Humidity 72%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 27 Feb 12:55 am EST
Extended Forecast for

Exton PA

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. South wind around 5 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Calm wind becoming north around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Calm wind.
Friday
Mostly sunny, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 30. South wind around 5 mph.
Saturday
Sunny, with a high near 54. South wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 33. Calm wind becoming north around 5 mph after midnight.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
A chance of rain. Cloudy, with a low around 30. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 51. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.01°N 75.64°W (Elev. 476 ft)
Last Update:
4:11 pm EST Feb 26, 2026
Forecast Valid:
1am EST Feb 27, 2026-6pm EST Mar 5, 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