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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

35°F

2°C

Humidity 53%
Wind Speed W 12 G 20 mph
Barometer 30.22 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Jan 11:15 am EST
Extended Forecast for

4 Miles NNW Pomeroy PA

  • Today

    Today: Mostly sunny, with a high near 42. West wind 10 to 15 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. West wind 5 to 10 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45. Southwest wind 5 to 10 mph.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Southwest wind around 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 48. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 42. West wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 27. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 45. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Southwest wind around 10 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 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:
4:11 am EST Jan 12, 2026
Forecast Valid:
11am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation