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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

25°F

-4°C

Humidity 80%
Wind Speed W 13 G 16 mph
Barometer 30.00 in
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Wind Chill13°F (-11°C)
Last update 11 Feb 9:15 pm EST
Extended Forecast for

4 Miles NW Sinnamahoning PA

  • Tonight

    Tonight: A chance of light snow, mainly before 2am. Cloudy, with a low around 19. Northwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 19 °F

    Chance Light
    Snow

  • Thursday

    Thursday: Cloudy, with a high near 26. Northwest wind around 10 mph, with gusts as high as 24 mph.

    High: 26 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. West wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A chance of light snow, mainly before 2am. Cloudy, with a low around 19. Northwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday
Cloudy, with a high near 26. Northwest wind around 10 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 14. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 25. West wind 8 to 10 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Washington's Birthday
Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A chance of showers. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Sinnamahoning PA
 41.44°N 78.1°W (Elev. 1818 ft)
Last Update:
7:06 pm EST Feb 11, 2026
Forecast Valid:
9pm EST Feb 11, 2026-6pm EST Feb 18, 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