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.

Fog/Mist

31°F

-1°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 30.09 in
Dewpoint 28°F (-2°C)
Visibility 6.00 mi
Wind Chill26°F (-3°C)
Last update 28 Dec 12:15 pm EST
Extended Forecast for

3 Miles NE Unionville PA

  • This Afternoon

    This Afternoon: A chance of rain, mainly between 2pm and 5pm. Cloudy, with a high near 43. South wind around 5 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain before 1am, then a slight chance of rain after 5am. Cloudy, with a temperature rising to around 46 by 5am. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 36 °F⇑

    Chance Rain

  • Monday

    Monday: Showers likely, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 55 by 11am, then falling to around 39 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F⇓

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. West wind around 15 mph, with gusts as high as 40 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of rain, mainly between 2pm and 5pm. Cloudy, with a high near 43. South wind around 5 mph. Chance of precipitation is 30%.
Tonight
A chance of rain before 1am, then a slight chance of rain after 5am. Cloudy, with a temperature rising to around 46 by 5am. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Showers likely, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 55 by 11am, then falling to around 39 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 24. West wind around 15 mph, with gusts as high as 40 mph.
Tuesday
Partly sunny, with a high near 32. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
Mostly cloudy, with a high near 34.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Unionville PA
 39.93°N 75.68°W (Elev. 226 ft)
Last Update:
4:10 am EST Dec 28, 2025
Forecast Valid:
12pm EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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