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.

Overcast

43°F

6°C

Humidity 97%
Wind Speed E 3 mph
Barometer 30.24 in
Dewpoint 42°F (6°C)
Visibility 9.00 mi
Last update 4 Mar 12:55 pm EST
Extended Forecast for

West Chester PA

  • This Afternoon

    This Afternoon: A chance of rain, mainly between 3pm and 5pm. Mostly cloudy, with a high near 50. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 3am. Patchy fog after 9pm. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain and
    Patchy Fog

  • Thursday

    Thursday: Showers. Patchy fog before noon. High near 51. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Patchy fog after 1am. Low around 42. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 49. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain, mainly between 3pm and 5pm. Mostly cloudy, with a high near 50. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 3am. Patchy fog after 9pm. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. Patchy fog before noon. High near 51. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Patchy fog after 1am. Low around 42. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 49. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.94°N 75.59°W (Elev. 390 ft)
Last Update:
4:10 am EST Mar 4, 2026
Forecast Valid:
1pm EST Mar 4, 2026-6pm EDT Mar 10, 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