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.

Fair

18°F

-8°C

Humidity 45%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 8 Dec 5:35 pm EST
Extended Forecast for

3 Miles WNW Weedville PA

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers, mainly between 1pm and 5pm. Increasing clouds, with a high near 31. Wind chill values as low as zero. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers between 7pm and 1am, then snow after 1am. Low around 26. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Slight Chance
    Snow Showers
    then Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. High near 37. South wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 22. West wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

    High: 27 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers. Low around 14. Chance of precipitation is 80%.

    Low: 14 °F

    Snow Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Calm wind.
Tuesday
A chance of snow showers, mainly between 1pm and 5pm. Increasing clouds, with a high near 31. Wind chill values as low as zero. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of snow showers between 7pm and 1am, then snow after 1am. Low around 26. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
Snow, possibly mixed with rain. High near 37. South wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 22. West wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Friday Night
Snow showers. Low around 14. Chance of precipitation is 80%.
Saturday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 60%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Weedville PA
 41.28°N 78.57°W (Elev. 1821 ft)
Last Update:
5:31 pm EST Dec 8, 2025
Forecast Valid:
5pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation