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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SE Downingtown PA

  • Tonight

    Tonight: Clear, with a low around 40. West wind around 5 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 58. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 58 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. West wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 63. West wind 5 to 10 mph.

    High: 63 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37. West wind around 5 mph.

    Low: 37 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 40. West wind around 5 mph.
Monday
Sunny, with a high near 58. Breezy, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 36. West wind around 5 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 63. West wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 37. West wind around 5 mph.
Veterans Day
Sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
A chance of snow. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Downingtown PA
 39.99°N 75.67°W (Elev. 348 ft)
Last Update:
4:07 pm EST Nov 8, 2026
Forecast Valid:
5pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
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