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.

Partly Cloudy

71°F

22°C

Humidity 39%
Wind Speed SW 14 G 23 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 May 12:53 pm EDT
Extended Forecast for

Summerville PA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 90%.

    High: 80 °F

    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 24 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 before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 59. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. Calm wind.
Monday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 90%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville PA
 41.12°N 79.18°W (Elev. 1296 ft)
Last Update:
1:06 pm EDT May 16, 2026
Forecast Valid:
1pm EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation