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

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

61°F

16°C

Humidity 65%
Wind Speed E 7 mph
Barometer 30.39 in
Dewpoint 49°F (9°C)
Visibility 8.00 mi
Last update 10 Oct 8:15 pm EDT
Extended Forecast for

3 Miles NNW Coatesville PA

  • Tonight

    Tonight: Cloudy, with a low around 55. East wind around 5 mph.

    Low: 55 °F

    Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 5pm. High near 64. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 64 °F

    Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 7am. Partly sunny, with a high near 70. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 55. East wind around 5 mph.
Sunday
Rain, with thunderstorms also possible after 5pm. High near 64. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A chance of showers, mainly before 7am. Partly sunny, with a high near 70. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Coatesville PA
 40.03°N 75.84°W (Elev. 581 ft)
Last Update:
4:10 pm EDT Oct 10, 2026
Forecast Valid:
8pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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