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.

Mostly Cloudy

61°F

16°C

Humidity 41%
Wind Speed S 9 mph
Barometer 29.82 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Mar 3:55 pm EDT
Extended Forecast for

4 Miles NNW Pomeroy PA

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight. Low around 46. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 57. North wind 10 to 15 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Calm wind becoming south around 5 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 69. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 11pm. Mostly cloudy, with a low around 46. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before midnight. Low around 46. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 57. North wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 41. Calm wind becoming south around 5 mph after midnight.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 69. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 11pm. Mostly cloudy, with a low around 46. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
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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:
2:14 pm EDT Mar 20, 2026
Forecast Valid:
4pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation