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.

Mostly Cloudy

74°F

23°C

Humidity 49%
Wind Speed Vrbl 3 mph
Barometer 30.15 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 26 May 12:55 pm EDT
Extended Forecast for

West Chester PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 79. South wind around 5 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely before 10am, then a chance of showers after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 79. South wind around 5 mph.
Tonight
A chance of showers after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely before 10am, then a chance of showers after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 60. West wind around 5 mph.
Thursday
Sunny, with a high near 76. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.99°N 75.62°W (Elev. 400 ft)
Last Update:
4:08 am EDT May 26, 2026
Forecast Valid:
1pm EDT May 26, 2026-6pm EDT Jun 1, 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