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.

52°F

11°C

Humidity 80%
Wind Speed Vrbl 5 mph
Barometer 29.75 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Nov 11:15 pm EST
Extended Forecast for

Bart PA

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 49. Southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers after 4pm. High near 58. East wind around 7 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 38. Northwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 43. Northwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 49. Southeast wind around 7 mph. Chance of precipitation is 20%.
Thursday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers after 4pm. High near 58. East wind around 7 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 38. Northwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 43. Northwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 31. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bart PA
 39.95°N 76.09°W (Elev. 673 ft)
Last Update:
11:14 pm EST Nov 11, 2026
Forecast Valid:
11pm EST Nov 11, 2026-6pm EST Nov 18, 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