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.

Light Snow

30°F

-1°C

Humidity 80%
Wind Speed S 8 mph
Barometer 29.68 in
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Wind Chill22°F (-6°C)
Last update 25 Feb 5:35 am EST
Extended Forecast for

Coatesville PA

  • Overnight

    Overnight: A chance of snow. Cloudy, with a steady temperature around 32. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then a slight chance of rain between 11am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of snow after 4pm. Partly sunny, with a high near 39. Northwest wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a steady temperature around 32. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 11am, then a slight chance of rain between 11am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.
Thursday
A slight chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of snow after 4pm. Partly sunny, with a high near 39. Northwest wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow before 1am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Partly sunny, with a high near 42.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Tuesday
A chance of snow. Partly sunny, with a high near 33. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coatesville PA
 39.99°N 75.82°W (Elev. 400 ft)
Last Update:
4:13 am EST Feb 25, 2026
Forecast Valid:
5am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation