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.

Mostly Cloudy

50°F

10°C

Humidity 33%
Wind Speed NW 18 G 26 mph
Barometer 30.17 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Apr 3:55 pm EDT
Extended Forecast for

2 Miles N Unionville PA

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after 4am. Otherwise, mostly clear, with a low around 27. North wind 5 to 15 mph.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am. Otherwise, sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 56 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 42. South wind around 5 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 67. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Widespread frost after 4am. Otherwise, mostly clear, with a low around 27. North wind 5 to 15 mph.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 42. South wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 67. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 47. Calm wind.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 73.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Unionville PA
 39.93°N 75.74°W (Elev. 299 ft)
Last Update:
4:10 pm EDT Apr 20, 2026
Forecast Valid:
4pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation