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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 19 May 8:55 pm EDT
Extended Forecast for

Narvon PA

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Southwest wind around 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 90. West wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 53. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers, mainly before 2am, then rain after 2am. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Rain. High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Rain

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Southwest wind around 6 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 90. West wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 53. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 49. Calm wind.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers, mainly before 2am, then rain after 2am. Low around 47. Chance of precipitation is 90%.
Saturday
Rain. High near 54. Chance of precipitation is 90%.
Saturday Night
Showers, mainly before 2am. Low around 50. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Narvon PA
 40.14°N 75.96°W (Elev. 499 ft)
Last Update:
8:05 pm EDT May 19, 2026
Forecast Valid:
9pm EDT May 19, 2026-6pm EDT May 26, 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