National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

55°F

13°C

Humidity 81%
Wind Speed NE 5 mph
Barometer 30.37 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 15 Sep 7:55 am EDT
Extended Forecast for

West Chester PA

  • Today

    Today: Sunny, with a high near 74. Northeast wind around 5 mph becoming south in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind becoming south around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. South wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Northeast wind around 5 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 55. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. South wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 63.
Sunday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.96°N 75.59°W (Elev. 400 ft)
Last Update:
4:08 am EDT Sep 15, 2026
Forecast Valid:
8am EDT Sep 15, 2026-6pm EDT Sep 21, 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