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 64%
Wind Speed Vrbl 7 mph
Barometer 29.74 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Mar 10:35 pm EDT
Extended Forecast for

4 Miles NNW Pomeroy PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 52. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 52 °F

    Cloudy then
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 46. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 65. Windy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers and
    Windy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.

    Low: 29 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday
Sunny, with a high near 49. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.
Saturday Night
Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming northeast after midnight.
Sunday
Cloudy, with a high near 52. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Sunday Night
Rain, mainly after 2am. Low around 46. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 65. Windy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 35. Breezy.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Pomeroy PA
 40.02°N 75.96°W (Elev. 495 ft)
Last Update:
9:46 pm EDT Mar 13, 2026
Forecast Valid:
10pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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