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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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 30. West wind around 7 mph.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of snow showers between midnight and 2am. Mostly cloudy, with a low around 22. Southwest wind around 9 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 39. Northwest wind 7 to 9 mph.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43. South wind 3 to 6 mph.

    High: 43 °F

    Partly Sunny

  • Sunday Night

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

    Low: 29 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 43.

    High: 43 °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

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 30. West wind around 7 mph.
Tonight
A slight chance of snow showers between midnight and 2am. Mostly cloudy, with a low around 22. Southwest wind around 9 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 39. Northwest wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 43. South wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 29.
Washington's Birthday
Partly sunny, with a high near 43.
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%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Sinnamahoning PA
 41.35°N 77.94°W (Elev. 1998 ft)
Last Update:
1:34 pm EST Feb 13, 2026
Forecast Valid:
2pm EST Feb 13, 2026-6pm EST Feb 19, 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