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

30°F

-1°C

Humidity 86%
Wind Speed W 7 mph
Barometer 30.03 in
Dewpoint 27°F (-3°C)
Visibility 7.00 mi
Wind Chill23°F (-5°C)
Last update 7 Dec 9:15 am EST
Extended Forecast for

3 Miles WNW Weedville PA

  • Today

    Today: A chance of snow, mainly between 1pm and 5pm. Cloudy, with a high near 33. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 33 °F

    Cloudy then
    Chance Snow

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 13. West wind 6 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 23. Northeast wind around 6 mph becoming calm in the afternoon.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Wind chill values as low as zero. Light and variable wind.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 32. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely before 4am, then snow likely, possibly mixed with rain. Cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow before 7am, then rain and snow. High near 38. Chance of precipitation is 90%.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
A chance of snow, mainly between 1pm and 5pm. Cloudy, with a high near 33. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 13. West wind 6 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 23. Northeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 6. Wind chill values as low as zero. Light and variable wind.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 32. South wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday Night
Snow likely before 4am, then snow likely, possibly mixed with rain. Cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow before 7am, then rain and snow. High near 38. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 24. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 21. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Weedville PA
 41.28°N 78.57°W (Elev. 1821 ft)
Last Update:
7:36 am EST Dec 7, 2025
Forecast Valid:
9am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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