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.

Overcast

46°F

8°C

Humidity 71%
Wind Speed W 8 mph
Barometer 30.01 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 1 Nov 11:15 am EDT
Extended Forecast for

6 Miles ESE Sinnamahoning PA

  • Today

    Today: A slight chance of showers before noon. Mostly cloudy, with a high near 52. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Light southwest wind.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly sunny, with a high near 57. South wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 57 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before noon. Mostly cloudy, with a high near 52. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 55. Light southwest wind.
Sunday Night
Mostly clear, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Monday
A slight chance of showers after 2pm. Mostly sunny, with a high near 57. South wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 33.
Friday
A chance of showers. Partly sunny, with a high near 52. 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:
8:06 am EDT Nov 1, 2025
Forecast Valid:
11am EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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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