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Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

31°F

-1°C

Humidity 67%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 21 Apr 4:35 am EDT
Extended Forecast for

4 Miles NNW Pomeroy PA

Freeze Warning April 21, 04:54am until April 21, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 21, 04:54am until April 21, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Today

    High: 56 °F

    Frost then
    Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 42. South wind 5 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly between 7am and 8am. Mostly cloudy, with a high near 61. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. North wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Today
Widespread frost before 7am. Otherwise, sunny, with a high near 56. North wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 42. South wind 5 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly between 7am and 8am. Mostly cloudy, with a high near 61. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 46. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 69.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Pomeroy PA
 40.02°N 75.96°W (Elev. 495 ft)
Last Update:
4:10 am EDT Apr 21, 2026
Forecast Valid:
4am EDT Apr 21, 2026-6pm EDT Apr 27, 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