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

61°F

16°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.09 in
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 16 Jun 11:15 pm EDT
Extended Forecast for

7 Miles E Sinnamahoning PA

  • Tonight

    Tonight: Isolated showers. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 74. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 5am, then a chance of showers after 5am. Cloudy, with a low around 67. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 83. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 69. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Tuesday
Scattered showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 74. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 5am, then a chance of showers after 5am. Cloudy, with a low around 67. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 83. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 69. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Monday
Mostly sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Sinnamahoning PA
 41.4°N 77.93°W (Elev. 1047 ft)
Last Update:
9:57 pm EDT Jun 16, 2025
Forecast Valid:
11pm EDT Jun 16, 2025-6pm EDT Jun 23, 2025
 
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