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.

Mostly Cloudy

34°F

1°C

Humidity 64%
Wind Speed Vrbl 6 mph
Barometer 29.53 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 1 Jan 4:15 am EST
Extended Forecast for

3 Miles W Coatesville PA

Snow Squall Warning until January 1, 04:45am
Click here for hazard details and duration
Snow Squall Warning
  •  
    Snow Squall Warning until January 1, 04:45am

    NOW until 4:45am Thu

    Snow Squall Warning

  • Overnight

    Low: 23 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly cloudy, then gradually becoming sunny, with a high near 28. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 28 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 18. West wind around 10 mph.

    Low: 18 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. West wind around 5 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of snow showers. Cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
New Year's Day
Mostly cloudy, then gradually becoming sunny, with a high near 28. Northwest wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
Increasing clouds, with a low around 18. West wind around 10 mph.
Friday
Mostly sunny, with a high near 32. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 19. West wind around 5 mph.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Coatesville PA
 39.99°N 75.88°W (Elev. 600 ft)
Last Update:
4:10 am EST Jan 1, 2026
Forecast Valid:
4am EST Jan 1, 2026-6pm EST Jan 7, 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