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

43°F

6°C

Humidity 76%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Oct 12:15 am EDT
Extended Forecast for

2 Miles N Johnsonburg PA

  • Overnight

    Overnight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. North wind 3 to 6 mph.

    Low: 33 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 9am. Otherwise, sunny, with a high near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 28. North wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Patchy fog before 9am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 62 °F

    Frost and
    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 20%.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

Detailed Forecast

Overnight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. North wind 3 to 6 mph.
Thursday
Widespread frost before 9am. Otherwise, sunny, with a high near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 28. North wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Sunday Night
Showers. Low around 42. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Johnsonburg PA
 41.51°N 78.68°W (Elev. 1499 ft)
Last Update:
9:31 pm EDT Oct 15, 2025
Forecast Valid:
12am EDT Oct 16, 2025-6pm EDT Oct 22, 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