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

40°F

4°C

Humidity 83%
Wind Speed S 3 mph
Barometer 30.07 in (1018.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Oct 8:53 pm EDT
Extended Forecast for

Porter Corner NY

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light south wind becoming southwest 5 to 10 mph in the evening.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 4am, then a slight chance of showers after 5am. Partly cloudy, with a low around 50. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 64. West wind 8 to 14 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. West wind 5 to 7 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Light south wind becoming southwest 5 to 10 mph in the evening.
Wednesday
Sunny, with a high near 67. Southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A slight chance of showers before 4am, then a slight chance of showers after 5am. Partly cloudy, with a low around 50. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 64. West wind 8 to 14 mph.
Thursday Night
Mostly clear, with a low around 41. West wind 5 to 7 mph.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Columbus Day
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Partly sunny, with a high near 64. 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:
2:30 pm EDT Oct 6, 2026
Forecast Valid:
9pm EDT Oct 6, 2026-6pm EDT Oct 13, 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