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

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

21°F

-6°C

Humidity 74%
Wind Speed W 10 mph
Barometer 30.02 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 18 Jan 7:15 am EST
Extended Forecast for

11 Miles WSW Galeton PA

  • Today

    Today: Partly sunny, with a high near 20. West wind 6 to 8 mph.

    High: 20 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Wind chill values as low as zero. West wind 6 to 8 mph.

    Low: 12 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A chance of snow, mainly after 9am. Mostly cloudy, with a high near 20. Wind chill values as low as zero. Southwest wind 10 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 20 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1. Wind chill values as low as -15. West wind around 16 mph, with gusts as high as 36 mph.

    Low: 1 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny and cold, with a high near 10. West wind around 14 mph, with gusts as high as 30 mph.

    High: 10 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of snow after 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow before 1pm. Partly sunny, with a high near 21. Chance of precipitation is 30%.

    High: 21 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 20. West wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 12. Wind chill values as low as zero. West wind 6 to 8 mph.
M.L.King Day
A chance of snow, mainly after 9am. Mostly cloudy, with a high near 20. Wind chill values as low as zero. Southwest wind 10 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 1. Wind chill values as low as -15. West wind around 16 mph, with gusts as high as 36 mph.
Tuesday
Partly sunny and cold, with a high near 10. West wind around 14 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
A chance of snow after 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Thursday
A chance of snow before 1pm. Partly sunny, with a high near 21. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 23.
Friday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.67°N 77.83°W (Elev. 1998 ft)
Last Update:
7:06 am EST Jan 18, 2026
Forecast Valid:
7am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation