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.

Overcast

30°F

-1°C

Humidity 79%
Wind Speed E 3 mph
Barometer 30.52 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 3 Mar 3:55 am EST
Extended Forecast for

Coatesville PA

Winter Weather Advisory March 3, 05:00am until March 3, 11:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A slight chance of snow and freezing rain before 5am, then a chance of snow. Cloudy, with a low around 28. East wind around 5 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Wintry
    Mix

  • Tuesday

    Tuesday: Rain, snow and freezing rain, possibly mixed with sleet, becoming all rain after 1pm. Patchy fog. High near 41. East wind around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    High: 41 °F

    Wintry Mix
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain, mainly before 3am. Patchy fog. Low around 38. South wind around 5 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Cloudy, with a high near 55. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow and freezing rain before 5am, then a chance of snow. Cloudy, with a low around 28. East wind around 5 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain, snow and freezing rain, possibly mixed with sleet, becoming all rain after 1pm. Patchy fog. High near 41. East wind around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Rain, mainly before 3am. Patchy fog. Low around 38. South wind around 5 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 1pm. Cloudy, with a high near 55. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers. Low around 46. Chance of precipitation is 80%.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 68.
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:
2:37 am EST Mar 3, 2026
Forecast Valid:
4am EST Mar 3, 2026-6pm EDT Mar 9, 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