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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

10 Miles WSW Galeton PA

  • Today

    Today: Partly sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly between midnight and 5am. Mostly cloudy, with a low around 54. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 2pm, then showers between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 64. South wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 30. West wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 34. Northwest wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 34 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow showers before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
A chance of showers, mainly between midnight and 5am. Mostly cloudy, with a low around 54. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms before 2pm, then showers between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 64. South wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 30. West wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 34. Northwest wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 23.
Friday
A chance of snow showers before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
Sunday Night
Rain and snow showers. Low around 31. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 38. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Galeton PA
 41.67°N 77.83°W (Elev. 1998 ft)
Last Update:
2:50 am EDT Mar 10, 2026
Forecast Valid:
5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation