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

37°F

3°C

Humidity 98%
Wind Speed S 3 mph
Barometer 29.64 in
Dewpoint 36°F (2°C)
Visibility 6.00 mi
Last update 7 Jan 4:15 am EST
Extended Forecast for

West Chester PA

Dense Fog Advisory until January 7, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 7, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 35 °F

    Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 5 to 10 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers

Detailed Forecast

Overnight
Widespread fog, mainly before 5am. Otherwise, mostly cloudy, with a low around 35. West wind around 5 mph.
Wednesday
Partly sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Friday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 49. Chance of precipitation is 50%.
Saturday
Showers. High near 59. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 41. Chance of precipitation is 70%.
Sunday
A chance of showers. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.99°N 75.62°W (Elev. 400 ft)
Last Update:
4:11 am EST Jan 7, 2026
Forecast Valid:
4am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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