Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Mostly Cloudy

82°F

28°C

Humidity 69%
Wind Speed NW 8 mph
Barometer 29.89 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Sep 5:55 pm EDT
Extended Forecast for

Bart PA

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 1am, then a slight chance of showers after 1am.  Mostly cloudy, with a low around 66. Northwest wind 5 to 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 79. North wind 5 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northeast wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Northeast wind 6 to 8 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Light east wind.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 66. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 79. North wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 57. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 76. Northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 55. Light east wind.
Labor Day
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Bart PA
 39.95°N 76.09°W (Elev. 673 ft)
5:21 pm EDT Sep 4, 2026
6pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database