National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

81°F

27°C

Humidity 51%
Wind Speed W 6 mph
Barometer 29.93 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Apr 10:15 am EDT
Extended Forecast for

Exton PA

  • Today

    Today: Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 64. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 79. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. North wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 64. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 20%.
Friday
A chance of showers. Partly sunny, with a high near 79. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 57. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 30%.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.01°N 75.64°W (Elev. 476 ft)
Last Update:
4:10 am EDT Apr 16, 2026
Forecast Valid:
10am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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