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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: Partly sunny, with a high near 45. West wind around 5 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly before 3pm. Patchy fog before noon. High near 49. Southeast wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain between 7pm and 1am. Mostly cloudy, with a low around 39. West wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 46. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 47. Chance of precipitation is 90%.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 45. West wind around 5 mph.
Tonight
Mostly cloudy, with a low around 37. Light and variable wind becoming southeast around 5 mph after midnight.
Wednesday
Rain, mainly before 3pm. Patchy fog before noon. High near 49. Southeast wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain between 7pm and 1am. Mostly cloudy, with a low around 39. West wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 46. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 47. Chance of precipitation is 90%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow showers. Partly sunny, with a high near 31. Chance of precipitation is 30%.
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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:
1:26 pm EST Feb 17, 2026
Forecast Valid:
2pm EST Feb 17, 2026-6pm EST Feb 23, 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