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

69°F

21°C

Humidity 34%
Wind Speed S 7 G 16 mph
Barometer 29.82 in
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Last update 4 May 6:15 pm EDT
Extended Forecast for

Gap PASimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 55. South wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 61. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 69. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. South wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 81. Breezy, with a south wind 11 to 20 mph, with gusts as high as 33 mph.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 61. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 69. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 71.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gap PASimilar City Names
 39.99°N 76.02°W (Elev. 525 ft)
Last Update:
2:36 pm EDT May 4, 2026
Forecast Valid:
6pm EDT May 4, 2026-6pm EDT May 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation