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.

Fair

72°F

22°C

Humidity 88%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Aug 9:35 pm EDT
Extended Forecast for

2 Miles N Unionville PA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 65. South wind around 5 mph becoming calm.

    Low: 65 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 65. South wind around 5 mph becoming calm.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 70.
Monday
Mostly sunny, with a high near 89.
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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:
4:13 pm EDT Aug 11, 2025
Forecast Valid:
9pm EDT Aug 11, 2025-6pm EDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation