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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 light snow between midnight and 2am. Increasing clouds, with a low around 22. West wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 39. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43. Calm wind becoming south around 6 mph in the afternoon.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. Light south wind.

    Low: 29 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of light snow between midnight and 2am. Increasing clouds, with a low around 22. West wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 39. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 24. Calm wind.
Sunday
Partly sunny, with a high near 43. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 29. Light south wind.
Washington's Birthday
Partly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Showers. High near 45. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Thursday Night
Rain showers, snow showers, and freezing rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
A chance of rain showers, snow showers, and freezing rain. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sinnamahoning PA
 41.38°N 78°W (Elev. 1988 ft)
Last Update:
5:06 pm EST Feb 13, 2026
Forecast Valid:
5pm EST Feb 13, 2026-6pm EST Feb 20, 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