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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 E Sinnamahoning PA

  • Tonight

    Tonight: A slight chance of showers between midnight and 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 34. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. West wind 3 to 7 mph.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain. High near 51. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 38. West wind 6 to 8 mph, with gusts as high as 22 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 slight chance of rain after 1pm. Partly sunny, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 45. Chance of precipitation is 80%.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of showers between midnight and 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 34. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. West wind 3 to 7 mph.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 51. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 38. West wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain after 1pm. Partly sunny, with a high near 52. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
Rain. High near 45. Chance of precipitation is 80%.
Friday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of snow. Partly sunny, with a high near 34. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sinnamahoning PA
 41.38°N 78°W (Elev. 1988 ft)
Last Update:
8:21 pm EST Feb 16, 2026
Forecast Valid:
8pm EST Feb 16, 2026-6pm EST Feb 23, 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