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

41°F

5°C

Humidity 70%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Nov 7:55 pm EST
Extended Forecast for

3 Miles W Johnsonburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Light southeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain, mainly after 10am. High near 49. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 41. South wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 55. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 24. West wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow
    Showers

  • Thanksgiving Day

    Thanksgiving Day: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow. Low around 22. Chance of precipitation is 80%.

    Low: 22 °F

    Snow

  • Friday

    Friday: Snow before 1pm, then a chance of snow showers after 1pm. High near 30. Chance of precipitation is 80%.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Light southeast wind.
Tuesday
Periods of rain, mainly after 10am. High near 49. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers. Low around 41. South wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 55. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 24. West wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Thanksgiving Day
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
Snow. Low around 22. Chance of precipitation is 80%.
Friday
Snow before 1pm, then a chance of snow showers after 1pm. High near 30. Chance of precipitation is 80%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Saturday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
Rain likely. Cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Johnsonburg PA
 41.49°N 78.74°W (Elev. 1759 ft)
Last Update:
7:06 pm EST Nov 24, 2025
Forecast Valid:
8pm EST Nov 24, 2025-6pm EST Dec 1, 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