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

37°F

3°C

Humidity 93%
Wind Speed W 13 G 21 mph
Barometer 29.83 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Jan 12:15 am EST
Extended Forecast for

11 Miles WSW Galeton PA

  • Overnight

    Overnight: A slight chance of rain or freezing rain before 1am. Mostly cloudy, with a low around 24. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Freezing
    Rain

  • Sunday

    Sunday: Snow showers likely, mainly before 4pm. The snow could be heavy at times. Increasing clouds, with a high near 30. West wind 10 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Scattered snow showers, mainly before 8pm. Mostly cloudy, with a low around 22. Blustery, with a west wind 16 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Scattered
    Snow Showers
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 31. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 10pm, then a chance of rain and snow showers between 10pm and 1am, then a chance of rain showers after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
A slight chance of rain or freezing rain before 1am. Mostly cloudy, with a low around 24. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Snow showers likely, mainly before 4pm. The snow could be heavy at times. Increasing clouds, with a high near 30. West wind 10 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Scattered snow showers, mainly before 8pm. Mostly cloudy, with a low around 22. Blustery, with a west wind 16 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 31. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
A chance of snow showers before 10pm, then a chance of rain and snow showers between 10pm and 1am, then a chance of rain showers after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Thursday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.65°N 77.83°W (Elev. 2113 ft)
Last Update:
12:16 am EST Jan 11, 2026
Forecast Valid:
12am EST Jan 11, 2026-6pm EST Jan 17, 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