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Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

37°F

3°C

Humidity 93%
Wind Speed W 8 mph
Barometer 30.01 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Jan 7:15 pm EST
Extended Forecast for

6 Miles ESE Sinnamahoning PA

  • Tonight

    Tonight: Cloudy, with a low around 32. West wind 6 to 8 mph.

    Low: 32 °F

    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. West wind around 5 mph becoming calm in the morning.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 36. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain. High near 51. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 42. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Sunday

    Sunday: A chance of snow showers. Partly sunny, with a high near 35. Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Cloudy, with a low around 32. West wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 45. West wind around 5 mph becoming calm in the morning.
Thursday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 36. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
Rain. High near 51. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
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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:
7:05 pm EST Jan 7, 2026
Forecast Valid:
7pm EST Jan 7, 2026-6pm EST Jan 14, 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