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.

Mostly Cloudy

66°F

19°C

Humidity 78%
Wind Speed SE 9 mph
Barometer 30.00 in
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 18 Apr 1:15 pm EDT
Extended Forecast for

West Chester PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. Southeast wind around 10 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 52. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly between 8am and 2pm. High near 55. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 54.

    High: 54 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. Southeast wind around 10 mph.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 52. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly between 8am and 2pm. High near 55. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 30.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.94°N 75.59°W (Elev. 390 ft)
Last Update:
4:11 am EDT Apr 18, 2026
Forecast Valid:
1pm EDT Apr 18, 2026-6pm EDT Apr 24, 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