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

34°F

1°C

Humidity 93%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 15 Nov 1:15 am EST
Extended Forecast for

6 Miles NNW Driftwood PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers, mainly after 2pm. High near 60. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Slight Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 37. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Rain and snow showers likely before 10am, then rain showers likely between 10am and 4pm, then snow showers likely after 4pm. Mostly cloudy, with a high near 46. West wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Calm wind.
Saturday
Showers, mainly after 2pm. High near 60. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly before 2am. Low around 37. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain and snow showers likely before 10am, then rain showers likely between 10am and 4pm, then snow showers likely after 4pm. Mostly cloudy, with a high near 46. West wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A chance of rain after 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Driftwood PA
 41.42°N 78.19°W (Elev. 1007 ft)
Last Update:
12:57 am EST Nov 15, 2025
Forecast Valid:
1am EST Nov 15, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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