Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

55°F

13°C

Humidity 51%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Oct 9:55 pm EDT
Extended Forecast for

4 Miles SE Sinnamahoning PA

  • Tonight

    Tonight: A chance of showers, mainly after 1am.  Mostly cloudy, with a low around 45. Calm wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 3 to 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 50. South wind around 7 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 2pm.  High near 71. South wind 8 to 13 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 47. South wind around 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm.  Partly sunny, with a high near 58. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 8am.  Partly sunny, with a high near 59. Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 41. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 50. South wind around 7 mph. Chance of precipitation is 20%.
Sunday
Showers, mainly after 2pm. High near 71. South wind 8 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 47. South wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 58. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 41.
Tuesday
A chance of showers after 8am. Partly sunny, with a high near 59. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sinnamahoning PA
 41.34°N 78°W (Elev. 1906 ft)
8:06 pm EDT Oct 17, 2025
10pm EDT Oct 17, 2025-6pm EDT Oct 24, 2025
 
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Additional Resources

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