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

3 Miles SE Driftwood PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southwest wind around 8 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 74. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely before 8am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely then
    Partly Sunny

  • Thursday Night

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

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 2pm, then rain showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southwest wind around 8 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 49. Calm wind.
Tuesday
Partly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms before 11am, then showers between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 74. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph. 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. Some thunder is also possible. Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow showers likely before 8am. Mostly cloudy, with a high near 44. 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 50. Chance of precipitation is 60%.
Friday Night
Rain showers likely, possibly mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 47.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Driftwood PA
 41.32°N 78.09°W (Elev. 801 ft)
Last Update:
12:21 pm EDT Mar 9, 2026
Forecast Valid:
1pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation