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

54°F

12°C

Humidity 62%
Wind Speed Vrbl 5 mph
Barometer 30.11 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 12 May 10:35 pm EDT
Extended Forecast for

3 Miles NNE Chatham PA

  • Tonight

    Tonight: Increasing clouds, with a low around 50. South wind 5 to 10 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, mainly after 4pm. Partly sunny, with a high near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 3am, then showers likely. Low around 50. South wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 7am. Mostly sunny, with a high near 63. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. South wind 5 to 10 mph.
Wednesday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers and thunderstorms before 3am, then showers likely. Low around 50. South wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 7am. Mostly sunny, with a high near 63. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 47. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Chatham PA
 39.88°N 75.84°W (Elev. 499 ft)
Last Update:
4:08 pm EDT May 12, 2026
Forecast Valid:
10pm EDT May 12, 2026-6pm EDT May 19, 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