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.

A Few Clouds

28°F

-2°C

Humidity 66%
Wind Speed W 8 G 20 mph
Barometer 30.08 in (1019.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 12 Jan 3:53 am EST
Extended Forecast for

Porter Corner NY

  • Today

    Today: Partly sunny, with a high near 34. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Southwest wind around 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. South wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 36. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 41. Southwest wind 8 to 13 mph. Chance of precipitation is 50%.

    High: 41 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, becoming all snow after 10pm. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.

    Low: 17 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.

    High: 20 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Low: 12 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 34. West wind 10 to 16 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 28. Southwest wind around 10 mph.
Tuesday
Partly sunny, with a high near 40. South wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 36. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 41. Southwest wind 8 to 13 mph. Chance of precipitation is 50%.
Wednesday Night
Rain and snow showers likely, becoming all snow after 10pm. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
A chance of snow showers. Partly sunny, with a high near 24. Chance of precipitation is 30%.
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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:
12:27 am EST Jan 12, 2026
Forecast Valid:
4am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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