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

32°F

0°C

Humidity 80%
Wind Speed W 3 mph
Barometer 29.96 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 6 Dec 9:15 pm EST
Extended Forecast for

6 Miles NW Westport PA

  • Tonight

    Tonight: Cloudy, with a low around 23. West wind 3 to 8 mph.

    Low: 23 °F

    Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 33. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 14. Southwest wind 9 to 14 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23. North wind 5 to 9 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Light and variable wind becoming south around 6 mph after midnight.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Cloudy then
    Chance Snow

  • Wednesday

    Wednesday: Snow before 1pm, then rain and snow. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 1am. Cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Snow Likely

Detailed Forecast

Tonight
Cloudy, with a low around 23. West wind 3 to 8 mph.
Sunday
A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 33. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 14. Southwest wind 9 to 14 mph becoming north after midnight. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 23. North wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 8. Light and variable wind becoming south around 6 mph after midnight.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Tuesday Night
A chance of snow after 1am. Cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday
Snow before 1pm, then rain and snow. High near 38. Chance of precipitation is 80%.
Wednesday Night
Snow likely, mainly before 1am. Cloudy, with a low around 27. Chance of precipitation is 70%.
Thursday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Westport PA
 41.37°N 77.91°W (Elev. 2093 ft)
Last Update:
9:11 pm EST Dec 6, 2025
Forecast Valid:
9pm EST Dec 6, 2025-6pm EST Dec 13, 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