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

41°F

5°C

Humidity 93%
Wind Speed W 5 mph
Barometer 30.04 in
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Wind Chill38°F (3°C)
Last update 21 Nov 7:55 am EST
Extended Forecast for

10 Miles WSW Galeton PA

  • Today

    Today: A chance of showers, mainly before 9am. Cloudy, with a high near 47. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Showers then
    Cloudy

  • Tonight

    Tonight: A slight chance of rain after 2am. Cloudy, with a low around 32. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 32 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Northwest wind around 7 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 44. Chance of precipitation is 70%.

    High: 44 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers, mainly before 9am. Cloudy, with a high near 47. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Tonight
A slight chance of rain after 2am. Cloudy, with a low around 32. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Northwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 26. Light and variable wind.
Sunday
Mostly sunny, with a high near 44. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 44. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly before 1am. Cloudy, with a low around 40. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Thanksgiving Day
A chance of showers. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Galeton PA
 41.65°N 77.83°W (Elev. 2113 ft)
Last Update:
7:16 am EST Nov 21, 2025
Forecast Valid:
8am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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