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.

Mostly Cloudy

34°F

1°C

Humidity 87%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Nov 11:55 pm EST
Extended Forecast for

2 Miles NE Sinnamahoning PA

  • Overnight

    Overnight: Partly cloudy, with a low around 32. West wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. West wind 3 to 6 mph.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely after 1pm. Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Periods of rain. Low around 40. Southwest wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A chance of rain showers before 1pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 52. West wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 30. Calm wind.
Saturday
Rain likely after 1pm. Mostly cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Periods of rain. Low around 40. Southwest wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of rain showers before 1pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A chance of rain after 1pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Sinnamahoning PA
 41.41°N 78.02°W (Elev. 1007 ft)
Last Update:
7:05 pm EST Nov 13, 2025
Forecast Valid:
12am EST Nov 14, 2025-6pm EST Nov 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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