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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Mostly Cloudy

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Oct 5:55 am EDT
Extended Forecast for

3 Miles N Coatesville PA

  • Today

    Today: Mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. South wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 50. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Mostly sunny, with a high near 61. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 73. South wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Showers. Low around 50. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 2pm. Mostly sunny, with a high near 61. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 65.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Coatesville PA
 40.03°N 75.84°W (Elev. 581 ft)
Last Update:
4:09 am EDT Oct 18, 2025
Forecast Valid:
6am EDT Oct 18, 2025-6pm EDT Oct 24, 2025
 
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