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.

41°F

5°C

Humidity 61%
Wind Speed N 9 mph
Barometer 30.44 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Oct 1:15 am EDT
Extended Forecast for

Coatesville PA

Freeze Warning until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until October 18, 09:00am

    NOW until 9:00am Sun

    Freeze Warning

  • Overnight

    Low: 33 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 10am. Otherwise, sunny, with a high near 58. Northeast wind 5 to 10 mph.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. North wind around 5 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. North wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly clear, with a low around 33. North wind 10 to 15 mph.
Sunday
Widespread frost before 10am. Otherwise, sunny, with a high near 58. Northeast wind 5 to 10 mph.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 63. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 44. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coatesville PA
 39.99°N 75.82°W (Elev. 400 ft)
Last Update:
4:09 pm EDT Oct 17, 2026
Forecast Valid:
1am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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