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 69%
Wind Speed W 10 G 17 mph
Barometer 30.08 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Jan 10:15 pm EST
Extended Forecast for

Johnsonburg PA

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and snow likely before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. High near 39. Southwest wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 15. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.

    Low: 18 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 26. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 41. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and snow likely before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. High near 39. Southwest wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 15. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Mostly cloudy, with a high near 25.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 18. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnsonburg PA
 41.49°N 78.68°W (Elev. 1499 ft)
Last Update:
9:06 pm EST Jan 12, 2026
Forecast Valid:
10pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation