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

48°F

9°C

Humidity 62%
Wind Speed S 6 mph
Barometer 30.18 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 3 Nov 2:15 am EST
Extended Forecast for

Johnsonburg PA

  • Overnight

    Overnight: Mostly clear, with a low around 39. Light south wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 3pm and 4pm. Increasing clouds, with a high near 54. Southwest wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 56. West wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely after 1pm. Partly sunny, with a high near 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Light south wind.
Monday
A slight chance of showers between 3pm and 4pm. Increasing clouds, with a high near 54. Southwest wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 34. West wind 8 to 10 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 56. West wind 7 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely after 1pm. Partly sunny, with a high near 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Showers likely after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Friday Night
Showers. Low around 40. Chance of precipitation is 90%.
Saturday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
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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:
1:22 am EST Nov 3, 2025
Forecast Valid:
2am EST Nov 3, 2025-6pm EST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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