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.

Partly Cloudy

43°F

6°C

Humidity 71%
Wind Speed SE 6 mph
Barometer 30.17 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 8 Jan 8:35 pm EST
Extended Forecast for

Johnsonburg PA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 36. Southeast wind 5 to 10 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Friday

    Friday: Rain, mainly before 4pm. High near 55. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 32. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain, mainly after 1pm. Patchy fog before 7am. High near 42. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Saturday Night

    Saturday Night: Rain showers likely before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 29. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 29 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 36. Southeast wind 5 to 10 mph, with gusts as high as 24 mph.
Friday
Rain, mainly before 4pm. High near 55. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A slight chance of rain before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 32. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Saturday
Rain, mainly after 1pm. Patchy fog before 7am. High near 42. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 29. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
Rain and snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
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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:
7:06 pm EST Jan 8, 2026
Forecast Valid:
8pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation