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.

44°F

7°C

Humidity 75%
Wind Speed W 5 mph
Barometer 30.02 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 10 Nov 5:35 am EST
Extended Forecast for

Westtown PA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. West wind around 5 mph.

    Low: 40 °F

    Clear

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 63. Calm wind becoming west around 5 mph.

    High: 63 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 44. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain. High near 60. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 40. West wind around 5 mph.
Veterans Day
Increasing clouds, with a high near 63. Calm wind becoming west around 5 mph.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 44. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Thursday
Rain. High near 60. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 47.
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 31.
Monday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westtown PA
 39.94°N 75.57°W (Elev. 299 ft)
Last Update:
4:07 am EST Nov 10, 2026
Forecast Valid:
5am EST Nov 10, 2026-6pm EST Nov 16, 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