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.

Overcast

60°F

16°C

Humidity 80%
Wind Speed E 7 mph
Barometer 29.92 in (1012.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Jun 5:53 am EDT
Extended Forecast for

Saint Marys PA

  • Today

    Today: Showers and possibly a thunderstorm. High near 68. East wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Cloudy, with a low around 52. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind 7 to 10 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 68. East wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Cloudy, with a low around 52. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind 7 to 10 mph.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Areas of fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys PA
 41.43°N 78.54°W (Elev. 1709 ft)
Last Update:
6:11 am EDT Jun 22, 2026
Forecast Valid:
6am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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