Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fog

42°F

6°C

Humidity 100%
Wind Speed Vrbl 6 mph
Barometer 29.54 in
Dewpoint 42°F (6°C)
Visibility 0.25 mi
Wind Chill38°F (3°C)
Last update 29 Dec 4:15 am EST
Extended Forecast for

3 Miles NNE Unionville PA

Wind Advisory December 29, 10:00am until December 30, 01:00pm
Dense Fog Advisory December 29, 04:28am until December 29, 10:00am
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory December 29, 04:28am until December 29, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Showers, mainly before 11am.  Temperature rising to near 54 by 11am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Breezy.
    Showers then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Breezy, with a west wind around 25 mph, with gusts as high as 45 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of rain, mainly after 5am. Cloudy, with a steady temperature around 44. South 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
Showers, mainly before 11am. Temperature rising to near 54 by 11am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 24. Breezy, with a west wind around 25 mph, with gusts as high as 45 mph.
Tuesday
Partly sunny, with a high near 32. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Mostly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 33.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Unionville PA
 39.93°N 75.71°W (Elev. 295 ft)
4:11 am EST Dec 29, 2025
4am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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