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

75°F

24°C

Humidity 45%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 4:15 pm EDT
Extended Forecast for

Christiana PA

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 20%.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Calm wind.
Sunday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Partly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Christiana PA
 39.96°N 76°W (Elev. 548 ft)
Last Update:
2:21 pm EDT Aug 29, 2026
Forecast Valid:
4pm EDT Aug 29, 2026-6pm EDT Sep 5, 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