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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

6 Miles ESE Sinnamahoning PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Light southeast wind.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 40. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 26. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of snow. Mostly cloudy, with a high near 31. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow. Mostly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 14. Light southeast wind.
Tuesday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 40. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain and snow before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 26. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 31. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Washington's Birthday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
Last Update:
7:06 pm EST Feb 9, 2026
Forecast Valid:
11pm EST Feb 9, 2026-6pm EST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation