Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

29°F

-2°C

Humidity 49%
Wind Speed Vrbl 3 mph
Barometer 30.01 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 16 Jan 9:35 pm EST
Extended Forecast for

3 Miles NNE Unionville PA

  • Tonight

    Tonight: A chance of snow, mainly between midnight and 5am.  Increasing clouds, with a low around 26. South wind around 5 mph.  Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely, possibly mixing with rain after 1pm, then gradually ending.  Cloudy, then gradually becoming mostly sunny, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am.  Increasing clouds, with a low around 29. Calm wind.  Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow.  Mostly cloudy, with a high near 34. Northwest wind 5 to 10 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. West wind around 5 mph.

    Low: 18 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of snow, mainly between midnight and 5am. Increasing clouds, with a low around 26. South wind around 5 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow likely, possibly mixing with rain after 1pm, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
A slight chance of snow after 1am. Increasing clouds, with a low around 29. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of snow. Mostly cloudy, with a high near 34. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 18. West wind around 5 mph.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 19.
Friday
A chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Unionville PA
 39.93°N 75.71°W (Elev. 295 ft)
8:36 pm EST Jan 16, 2026
9pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
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