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

Hazardous Weather Conditions

Current conditions at

Du Bois - Jefferson County Airport (KDUJ)

Lat: 41.18°NLon: 78.89°WElev: 1804ft.

Mostly Cloudy

72°F

22°C

Humidity 73%
Wind Speed W 7 mph
Barometer 29.98 in (1014.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 12:53 pm EDT
Extended Forecast for

Summerville PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. West wind around 8 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers after 5am. Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 76. Light northeast wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 78. Calm wind becoming east around 5 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. West wind around 8 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers after 5am. Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.
Thursday
Showers likely, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 76. Light northeast wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 54. Calm wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 78. Calm wind becoming east around 5 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville PA
 41.12°N 79.18°W (Elev. 1296 ft)
Last Update:
1:36 pm EDT Aug 19, 2026
Forecast Valid:
1pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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