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

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

52°F

11°C

Humidity 40%
Wind Speed S 17 G 25 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 9 Mar 10:53 am EDT
Extended Forecast for

Marsh Corner NY

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 64. Southwest wind around 14 mph.

    High: 64 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. South wind 6 to 9 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. South wind around 7 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. West wind around 5 mph becoming east after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 5pm. High near 66. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 66 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 2pm, then rain and snow likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.

    High: 42 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 64. Southwest wind around 14 mph.
Tonight
Clear, with a low around 44. South wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 66. South wind around 7 mph.
Tuesday Night
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. West wind around 5 mph becoming east after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, with thunderstorms also possible after 5pm. High near 66. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Wednesday Night
Rain before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 32. Chance of precipitation is 80%.
Thursday
A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A chance of snow before 2pm, then rain and snow likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Friday Night
Rain and snow likely, mainly before 8pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
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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:
11:27 am EDT Mar 9, 2026
Forecast Valid:
11am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation