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.

Fair

45°F

7°C

Humidity 61%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Nov 4:15 pm EST
Extended Forecast for

Kersey PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain, mainly after 10am. High near 49. Southeast wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 42. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 55. Southwest wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 25. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow
    Showers

  • Thanksgiving Day

    Thanksgiving Day: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers likely before 1am, then snow after 1am. Low around 23. Chance of precipitation is 80%.

    Low: 23 °F

    Snow

  • Friday

    Friday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 70%.

    High: 30 °F

    Snow Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Periods of rain, mainly after 10am. High near 49. Southeast wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers. Low around 42. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 55. Southwest wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 25. West wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Thanksgiving Day
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow showers likely before 1am, then snow after 1am. Low around 23. Chance of precipitation is 80%.
Friday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 30. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
Rain likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Kersey PA
 41.33°N 78.62°W (Elev. 1860 ft)
Last Update:
3:36 pm EST Nov 24, 2025
Forecast Valid:
4pm EST Nov 24, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation