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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 clear, with a low around 33. South wind around 9 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Increasing clouds, with a low around 29. North wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Clear
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 34. Northwest wind around 9 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Northwest wind 6 to 9 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow. Mostly sunny, with a high near 30. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow and freezing rain after 1am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Partly Cloudy
    then Chance
    Wintry Mix

  • Tuesday

    Tuesday: Rain, snow, and freezing rain likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Wintry Mix
    Likely

  • Tuesday Night

    Tuesday Night: Rain or freezing rain likely before 1am, then a chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Freezing
    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 33. South wind around 9 mph.
Saturday
Mostly sunny, with a high near 50. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Saturday Night
A chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Increasing clouds, with a low around 29. North wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 34. Northwest wind around 9 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 13. Northwest wind 6 to 9 mph.
Monday
A slight chance of snow. Mostly sunny, with a high near 30. Chance of precipitation is 20%.
Monday Night
A chance of snow and freezing rain after 1am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Tuesday
Rain, snow, and freezing rain likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Tuesday Night
Rain or freezing rain likely before 1am, then a chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
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Forecast Area
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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 27, 2026
Forecast Valid:
9pm EST Feb 27, 2026-6pm EST Mar 6, 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