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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles WNW Driftwood PA

  • Overnight

    Overnight: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47. Light west wind.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 71. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 72. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Low around 34. Chance of precipitation is 90%.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely before 8am. Partly sunny, with a high near 42. Chance of precipitation is 60%.

    High: 42 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 42. Calm wind.
Monday
Sunny, with a high near 67. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 47. Light west wind.
Tuesday
A slight chance of showers after 2pm. Partly sunny, with a high near 71. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 72. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Low around 34. Chance of precipitation is 90%.
Thursday
Rain and snow showers likely before 8am. Partly sunny, with a high near 42. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 27.
Friday
A chance of snow showers before 2pm, then rain showers likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 46.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Driftwood PA
 41.36°N 78.23°W (Elev. 925 ft)
Last Update:
3:21 am EDT Mar 9, 2026
Forecast Valid:
3am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
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