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.

Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.93 in
Dewpoint 58°F (14°C)
Visibility 2.50 mi
Last update 16 Oct 6:55 am EDT
Extended Forecast for

Bart PA

  • Today

    Today: A chance of showers, then showers and possibly a thunderstorm after 5pm. High near 77. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 45. Northwest wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 51. North wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 51 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Clear, with a low around 34. North wind 7 to 10 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. North wind around 6 mph.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, then showers and possibly a thunderstorm after 5pm. High near 77. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 45. Northwest wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 51. North wind 16 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Clear, with a low around 34. North wind 7 to 10 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Bart PA
 39.95°N 76.09°W (Elev. 673 ft)
Last Update:
3:03 am EDT Oct 16, 2026
Forecast Valid:
7am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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