National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

13°F

-11°C

Humidity 56%
Wind Speed S 10 mph
Barometer 30.10 in (1021.1 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 9 Dec 8:53 am EST
Extended Forecast for

Porter Corner NY

  • Today

    Today: A slight chance of snow showers between 3pm and 4pm. Mostly cloudy, with a high near 28. Wind chill values as low as -3. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 28 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: A chance of snow showers, mainly after 5am. Mostly cloudy, with a low around 22. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers before 10am, then snow showers, possibly mixed with rain. High near 37. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 20. West wind around 15 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 26. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 26 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A slight chance of snow showers between 3pm and 4pm. Mostly cloudy, with a high near 28. Wind chill values as low as -3. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tonight
A chance of snow showers, mainly after 5am. Mostly cloudy, with a low around 22. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers before 10am, then snow showers, possibly mixed with rain. High near 37. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. West wind around 15 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 26. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 28.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly cloudy, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Porter Corner NY
 42.54°N 77.02°W (Elev. 1342 ft)
Last Update:
6:18 am EST Dec 9, 2025
Forecast Valid:
9am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation