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

81°F

27°C

Humidity 66%
Wind Speed NW 14 G 22 mph
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 3:55 pm EDT
Extended Forecast for

7 Miles N Sinnamahoning PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 86. Northwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 54. North wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. East wind around 6 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 57. Light southeast wind. Chance of precipitation is 20%.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 75. South wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 86. Northwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 54. North wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 79. East wind around 6 mph.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 57. Light southeast wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 75. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 60.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles N Sinnamahoning PA
 41.5°N 78.06°W (Elev. 1237 ft)
Last Update:
2:19 pm EDT Aug 17, 2025
Forecast Valid:
4pm EDT Aug 17, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation