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

78°F

26°C

Humidity 53%
Wind Speed S 8 mph
Barometer 29.74 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Mar 4:35 pm EDT
Extended Forecast for

4 Miles NNW Pomeroy PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 74. South wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 40. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Rain, possibly mixed with sleet before noon, then a chance of rain and snow between noon and 2pm, then a chance of snow after 2pm. Temperature falling to around 37 by 1pm. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.

    High: 45 °F⇓

    Breezy.
    Rain/Sleet
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 47. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 47 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy.

    High: 49 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 52.

    High: 52 °F

    Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 74. South wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 40. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain, possibly mixed with sleet before noon, then a chance of rain and snow between noon and 2pm, then a chance of snow after 2pm. Temperature falling to around 37 by 1pm. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 47. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Sunny, with a high near 49. Breezy.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Cloudy, with a high near 52.
Sunday Night
Rain, mainly after 2am. Low around 46. Chance of precipitation is 80%.
Monday
Rain. High near 61. Breezy. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 37.
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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:
4:10 pm EDT Mar 11, 2026
Forecast Valid:
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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