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

Briefing for Impacts from Strong Coastal Storm Sunday through Monday

A strong coastal storm is forecast to bring potentially significant impacts to our region. Moderate to major coastal flooding, strong to damaging winds, beach erosion, and very dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Partly Cloudy

59°F

15°C

Humidity 48%
Wind Speed SE 8 G 15 mph
Barometer 30.44 in
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Last update 10 Oct 12:55 pm EDT
Extended Forecast for

Coatesville PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. Southeast wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 68. East wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 56. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Sunday

    Sunday: Rain. High near 62. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 53. Breezy. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Rain Likely
    and Breezy

  • Columbus Day

    Columbus Day: Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: A chance of rain before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. Southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm.
Saturday
A chance of rain. Mostly cloudy, with a high near 68. East wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 56. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 62. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely. Cloudy, with a low around 53. Breezy. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of rain before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coatesville PA
 39.99°N 75.82°W (Elev. 400 ft)
Last Update:
4:09 am EDT Oct 10, 2025
Forecast Valid:
1pm EDT Oct 10, 2025-6pm EDT Oct 16, 2025
 
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