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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

3 Miles NW Sinnamahoning PA

  • Tonight

    Tonight: A chance of rain and snow before 9pm. Cloudy, with a low around 32. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow
    then Cloudy

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 9am. Otherwise, cloudy, with a high near 43. Southwest wind around 6 mph.

    High: 43 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of light rain after 1am. Mostly cloudy, with a low around 34. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. West wind 3 to 7 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
A chance of rain and snow before 9pm. Cloudy, with a low around 32. South wind 3 to 5 mph. Chance of precipitation is 30%.
Washington's Birthday
Patchy fog before 9am. Otherwise, cloudy, with a high near 43. Southwest wind around 6 mph.
Monday Night
A slight chance of light rain after 1am. Mostly cloudy, with a low around 34. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 47. West wind 3 to 7 mph.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 51.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sinnamahoning PA
 41.41°N 78.11°W (Elev. 2169 ft)
Last Update:
5:46 pm EST Feb 15, 2026
Forecast Valid:
6pm EST Feb 15, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation