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

Atmospheric River Continues to Impact the Northwest U.S.; Gusty to High Winds in the Northeast U.S.

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Partly Cloudy

43°F

6°C

Humidity 53%
Wind Speed W 6 mph
Barometer 30.18 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 5 Nov 1:55 am EST
Extended Forecast for

Coatesville PA

  • Overnight

    Overnight: Mostly clear, with a low around 38. West wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 64. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 53. Northwest wind 10 to 15 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. West wind around 5 mph.
Wednesday
Increasing clouds, with a high near 64. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 42. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph.
Thursday
Sunny, with a high near 53. Northwest wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 33. Calm wind.
Friday
Partly sunny, with a high near 58.
Friday Night
Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 27.
Veterans Day
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coatesville PA
 39.99°N 75.85°W (Elev. 597 ft)
Last Update:
4:09 pm EST Nov 4, 2025
Forecast Valid:
1am EST Nov 5, 2025-6pm EST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation