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.

Mostly Cloudy

29°F

-2°C

Humidity 63%
Wind Speed W 15 G 29 mph
Barometer 30.10 in (1020.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Jan 2:53 am EST
Extended Forecast for

Marsh Corner NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. West wind 11 to 14 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 37. Southwest wind 9 to 14 mph.

    High: 37 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind around 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. South wind 7 to 14 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers likely before 10pm, then rain and snow showers likely between 10pm and 1am, then snow showers likely after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.

    Low: 20 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.

    High: 22 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. West wind 11 to 14 mph.
Monday
Mostly cloudy, with a high near 37. Southwest wind 9 to 14 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind around 8 mph.
Tuesday
Partly sunny, with a high near 42. South wind 7 to 14 mph.
Tuesday Night
A slight chance of showers. Cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Wednesday Night
Rain showers likely before 10pm, then rain and snow showers likely between 10pm and 1am, then snow showers likely after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 24.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marsh Corner NY
 42.74°N 76.78°W (Elev. 551 ft)
Last Update:
12:27 am EST Jan 12, 2026
Forecast Valid:
3am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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