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

67°F

19°C

Humidity 57%
Wind Speed SE 3 mph
Barometer 30.18 in (1020.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 6 Oct 11:53 pm EDT
Extended Forecast for

Summerville PA

  • Overnight

    Overnight: A chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 58. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 70. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 48. Southwest wind around 7 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 48 °F

    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 64. North wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 4am. Otherwise, clear, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 3am. Otherwise, clear, with a low around 34.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
A chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 58. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 70. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 48. Southwest wind around 7 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Sunny, with a high near 64. North wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Patchy frost after 4am. Otherwise, clear, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 60.
Thursday Night
Patchy frost after 3am. Otherwise, clear, with a low around 34.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 65.
Friday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 38.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 42.
Columbus Day
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerville PA
 41.12°N 79.18°W (Elev. 1296 ft)
Last Update:
11:49 pm EDT Oct 6, 2025
Forecast Valid:
12am EDT Oct 7, 2025-6pm EDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation