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

32°F

0°C

Humidity 69%
Wind Speed Vrbl 5 mph
Barometer 29.66 in
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Wind Chill27°F (-3°C)
Last update 25 Feb 6:55 am EST
Extended Forecast for

3 Miles NE Unionville PA

  • Today

    Today: A chance of snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 10 to 15 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 47 °F

    Chance Snow
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after 1pm. Partly sunny, with a high near 40. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Today
A chance of snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 10 to 15 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.
Thursday
A chance of snow, mainly after 1pm. Partly sunny, with a high near 40. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A slight chance of snow before 1am. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Tuesday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 40%.
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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:
6:10 am EST Feb 25, 2026
Forecast Valid:
6am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation