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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

21°F

-6°C

Humidity 86%
Wind Speed W 6 mph
Barometer 30.15 in
Dewpoint 18°F (-8°C)
Visibility 7.00 mi
Wind Chill13°F (-11°C)
Last update 12 Feb 11:55 pm EST
Extended Forecast for

4 Miles SE Sinnamahoning PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Northwest wind around 7 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. West wind around 7 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers. Partly cloudy, with a low around 22. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 40. West wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. West wind 3 to 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 1pm. Partly sunny, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • 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 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Northwest wind around 7 mph.
Friday
Mostly sunny, with a high near 31. West wind around 7 mph.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 22. West wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 40. West wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 23. West wind 3 to 5 mph.
Sunday
A slight chance of snow after 1pm. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 29.
Washington's Birthday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Thursday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sinnamahoning PA
 41.34°N 78°W (Elev. 1906 ft)
Last Update:
7:06 pm EST Feb 12, 2026
Forecast Valid:
12am EST Feb 13, 2026-6pm EST Feb 19, 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