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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

4 Miles SE Sinnamahoning PA

  • Today

    Today: Mostly cloudy, with a high near 48. West wind 3 to 7 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 7am. High near 49. Southeast wind around 7 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 48. Northwest wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then rain and snow likely between 1am and 4am, then rain likely after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain, mainly before 1pm. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 48. West wind 3 to 7 mph.
Tonight
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 7am. High near 49. Southeast wind around 7 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 48. Northwest wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 1am, then rain and snow likely between 1am and 4am, then rain likely after 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Rain, mainly before 1pm. High near 46. Chance of precipitation is 80%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Monday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sinnamahoning PA
 41.34°N 78°W (Elev. 1906 ft)
Last Update:
8:26 am EST Feb 17, 2026
Forecast Valid:
10am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation