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.

Overcast

39°F

4°C

Humidity 79%
Wind Speed Calm
Barometer 29.87 in (1012.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 9 Nov 3:53 am EST
Extended Forecast for

Marsh Corner NY

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 37. Northeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 45. North wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 4am, then a chance of rain and snow showers. Cloudy, with a low around 32. Northwest wind around 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: Snow showers likely, mainly after 1pm. Cloudy, with a high near 33. Northwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 25. West wind around 10 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Showers
    Likely

  • Veterans Day

    Veterans Day: Snow showers likely, mainly before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 10am, then rain showers likely after 10am. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain showers likely before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 37. Northeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 45. North wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 4am, then a chance of rain and snow showers. Cloudy, with a low around 32. Northwest wind around 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Snow showers likely, mainly after 1pm. Cloudy, with a high near 33. Northwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 25. West wind around 10 mph. Chance of precipitation is 60%.
Veterans Day
Snow showers likely, mainly before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 60%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Wednesday
A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 10am, then rain showers likely after 10am. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Wednesday Night
Rain showers likely before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Thursday
Snow showers likely, possibly mixed with rain before 9am, then a chance of rain showers. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 43.
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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:
12:44 am EST Nov 9, 2025
Forecast Valid:
4am EST Nov 9, 2025-6pm EST Nov 15, 2025
 
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