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.

Partly Cloudy

43°F

6°C

Humidity 71%
Wind Speed SE 9 mph
Barometer 30.15 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Jan 9:15 pm EST
Extended Forecast for

Force PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. East wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Rain, mainly before 5pm. High near 56. South wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 34. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 44. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain

  • Saturday Night

    Saturday Night: Rain showers likely before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Light and variable wind becoming west 5 to 8 mph in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. East wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 22 mph.
Friday
Rain, mainly before 5pm. High near 56. South wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 34. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 44. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain showers likely before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Light and variable wind becoming west 5 to 8 mph in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A chance of showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Force PA
 41.25°N 78.52°W (Elev. 1302 ft)
Last Update:
7:06 pm EST Jan 8, 2026
Forecast Valid:
9pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
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