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

32°F

0°C

Humidity 80%
Wind Speed NW 8 mph
Barometer 29.85 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Nov 9:35 am EST
Extended Forecast for

2 Miles NNE Penfield PA

  • Today

    Today: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Snow showers, mainly after 3am. Low around 22. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow
    Showers then
    Snow Showers

  • Veterans Day

    Veterans Day: Snow showers, mainly before 1pm. High near 37. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 26. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 43. West wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow showers before 4am, then a chance of snow showers. Cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Snow showers, mainly after 3am. Low around 22. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Veterans Day
Snow showers, mainly before 1pm. High near 37. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 43. West wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, possibly mixed with snow showers before 4am, then a chance of snow showers. Cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 48.
Friday Night
A chance of showers after 1am. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Penfield PA
 41.24°N 78.58°W (Elev. 1598 ft)
Last Update:
7:05 am EST Nov 10, 2025
Forecast Valid:
9am EST Nov 10, 2025-6pm EST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation