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

12°F

-11°C

Humidity 79%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 5 Dec 12:35 am EST
Extended Forecast for

Johnsonburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 29. South wind 3 to 7 mph.

    High: 29 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Light south wind.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 35. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 23. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 23 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Sunday

    Sunday: A slight chance of snow showers before 1pm, then a chance of snow after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely before 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.

    Low: 14 °F

    Snow Likely

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 7. Calm wind.
Friday
Increasing clouds, with a high near 29. South wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 18. Light south wind.
Saturday
A slight chance of snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 35. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 23. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of snow showers before 1pm, then a chance of snow after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Sunday Night
Snow likely before 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely. Cloudy, with a low around 22. Chance of precipitation is 70%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Wednesday Night
Rain and snow showers. Low around 23. Chance of precipitation is 90%.
Thursday
Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnsonburg PA
 41.49°N 78.68°W (Elev. 1499 ft)
Last Update:
7:07 pm EST Dec 4, 2025
Forecast Valid:
12am EST Dec 5, 2025-6pm EST Dec 11, 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