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

36°F

2°C

Humidity 87%
Wind Speed NW 3 mph
Barometer 30.20 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Jan 12:35 am EST
Extended Forecast for

3 Miles NW Driftwood PA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm.

    Low: 33 °F

    Patchy Fog

  • Saturday

    Saturday: Rain, mainly after noon. Patchy fog before 9am. High near 44. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Patchy Fog
    then Rain

  • Saturday Night

    Saturday Night: Rain before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Patchy fog between 8pm and midnight. Low around 30. Light and variable wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Partly sunny, with a high near 34. West wind 8 to 11 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 25. West wind 8 to 10 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm.
Saturday
Rain, mainly after noon. Patchy fog before 9am. High near 44. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Patchy fog between 8pm and midnight. Low around 30. Light and variable wind becoming west 5 to 8 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Partly sunny, with a high near 34. West wind 8 to 11 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 25. West wind 8 to 10 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Driftwood PA
 41.38°N 78.17°W (Elev. 1355 ft)
Last Update:
9:51 pm EST Jan 9, 2026
Forecast Valid:
12am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation