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 75%
Wind Speed W 3 mph
Barometer 30.11 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Nov 4:35 am EST
Extended Forecast for

10 Miles WSW Galeton PA

  • Today

    Today: A slight chance of snow after 3pm. Mostly cloudy, with a high near 38. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 38 °F

    Cloudy then
    Slight Chance
    Snow

  • Tonight

    Tonight: A chance of snow and freezing rain before midnight, then a chance of snow between midnight and 4am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Wintry
    Mix then
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. Calm wind becoming south around 5 mph.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow after 3pm. Mostly cloudy, with a high near 38. West wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
A chance of snow and freezing rain before midnight, then a chance of snow between midnight and 4am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 43. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 42. Calm wind becoming south around 5 mph.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Galeton PA
 41.67°N 77.83°W (Elev. 1998 ft)
Last Update:
1:06 am EST Nov 18, 2025
Forecast Valid:
4am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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