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

Du Bois - Jefferson County Airport (KDUJ)

Lat: 41.18°NLon: 78.89°WElev: 1804ft.

Overcast

22°F

-6°C

Humidity 78%
Wind Speed W 18 G 32 mph
Barometer 30.14 in (1023.2 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 8:53 pm EST
Extended Forecast for

Summerville PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. West wind 8 to 11 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Southwest wind around 7 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 41 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, becoming all snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.

    Low: 22 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Scattered snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.

    High: 26 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Scattered snow showers before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.

    Low: 14 °F

    Scattered
    Snow Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. West wind 8 to 11 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 36. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 26. Southwest wind around 7 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers. High near 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow showers likely, becoming all snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.
Thursday
Scattered snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Thursday Night
Scattered snow showers before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 26.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Saturday
Scattered snow showers. Partly sunny, with a high near 30. Chance of precipitation is 50%.
Saturday Night
Scattered snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Sunday
Scattered snow showers. Partly sunny, with a high near 24. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville PA
 41.12°N 79.18°W (Elev. 1296 ft)
Last Update:
6:02 pm EST Jan 11, 2026
Forecast Valid:
9pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation