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

63°F

17°C

Humidity 87%
Wind Speed SW 8 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 Oct 9:53 am EDT
Extended Forecast for

Saint Marys PA

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 77 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. West wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 72. West wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 50. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Friday

    Friday: Showers, mainly before 2pm. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 60. West wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 72. West wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 45. North wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 65. Northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 50. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before 2pm. High near 63. Chance of precipitation is 80%.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 27.
Sunday
Widespread frost. Otherwise, sunny, with a high near 56.
Sunday Night
Widespread frost. Otherwise, mostly clear, with a low around 31.
Monday
Widespread frost. Otherwise, mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys PA
 41.44°N 78.57°W (Elev. 1795 ft)
Last Update:
8:06 am EDT Oct 13, 2026
Forecast Valid:
10am EDT Oct 13, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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