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.

Fair

26°F

-3°C

Humidity 66%
Wind Speed Calm
Barometer 29.94 in (1015.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 27 Feb 5:53 am EST
Extended Forecast for

Summerville PA

  • Today

    Today: Sunny, with a high near 49. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. South wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. West wind 5 to 7 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Northwest wind 6 to 8 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 20%.

    Low: 15 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 49. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 34. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 51. West wind 5 to 7 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 33. Northwest wind 6 to 8 mph.
Sunday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 20%.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 32. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Thursday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerville PA
 41.09°N 79.19°W (Elev. 1293 ft)
Last Update:
5:47 am EST Feb 27, 2026
Forecast Valid:
6am EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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