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

66°F

19°C

Humidity 61%
Wind Speed S 13 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 Nov 7:53 pm EST
Extended Forecast for

Marsh Corner NY

  • Tonight

    Tonight: Showers, mainly after 3am. Low around 60. South wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Slight Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 72. South wind 5 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64. South wind around 5 mph becoming calm in the morning.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 45. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 1am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Showers, mainly after 3am. Low around 60. South wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 72. South wind 5 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 49. Light and variable wind.
Friday
Mostly cloudy, with a high near 64. South wind around 5 mph becoming calm in the morning.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 45. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%.
Saturday
Showers. High near 54. Chance of precipitation is 80%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 55.
Sunday Night
A chance of rain after 1am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
Monday
A chance of rain before 1pm. Mostly sunny, with a high near 53. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 38.
Veterans Day
Partly sunny, with a high near 53.
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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:
1:30 pm EST Nov 4, 2026
Forecast Valid:
8pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
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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