National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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

5 Miles N Sinnamahoning PA

  • Overnight

    Overnight: A chance of showers, mainly before 5am. Mostly cloudy, with a low around 48. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 59. West wind 6 to 9 mph, with gusts as high as 24 mph.

    High: 59 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. Southwest wind 3 to 6 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45. Light southwest wind.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly after 8am. High near 72. Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Showers

Detailed Forecast

Overnight
A chance of showers, mainly before 5am. Mostly cloudy, with a low around 48. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 59. West wind 6 to 9 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 42. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 67. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Clear, with a low around 45. Light southwest wind.
Tuesday
Sunny, with a high near 72.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Wednesday
Showers, mainly after 8am. High near 72. Chance of precipitation is 90%.
Wednesday Night
Showers. Low around 38. Chance of precipitation is 90%.
Thursday
A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Sinnamahoning PA
 41.45°N 78.04°W (Elev. 1073 ft)
Last Update:
3:31 am EDT Mar 8, 2026
Forecast Valid:
3am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation