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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

11 Miles WSW Galeton PA

  • Overnight

    Overnight: Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 35. Light southeast wind.

    Low: 35 °F

    Dense Fog

  • Wednesday

    Wednesday: Rain, mainly before 3pm. Areas of fog before noon. High near 45. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 35. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 43. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 20%.

    High: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Southeast wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 43. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 35. Light southeast wind.
Wednesday
Rain, mainly before 3pm. Areas of fog before noon. High near 45. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 35. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 43. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Southeast wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 43. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 22.
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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:
8:16 pm EST Feb 17, 2026
Forecast Valid:
12am EST Feb 18, 2026-6pm EST Feb 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