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

26°F

-3°C

Humidity 53%
Wind Speed SW 7 mph
Barometer 30.00 in (1016.9 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Jan 3:53 am EST
Extended Forecast for

Marshalls NY

  • Overnight

    Overnight: A chance of snow showers, mainly before 5am. Mostly cloudy, with a low around 18. Southwest wind around 7 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 22. West wind 6 to 8 mph.

    High: 22 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. West wind 6 to 8 mph becoming southwest after midnight.

    Low: 14 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 23. Southwest wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5. Breezy, with a west wind 15 to 21 mph, with gusts as high as 37 mph.

    Low: 5 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 11.

    High: 11 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A chance of snow showers, mainly before 5am. Mostly cloudy, with a low around 18. Southwest wind around 7 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 22. West wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 14. West wind 6 to 8 mph becoming southwest after midnight.
M.L.King Day
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 23. Southwest wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 5. Breezy, with a west wind 15 to 21 mph, with gusts as high as 37 mph.
Tuesday
Partly sunny, with a high near 11.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Mostly cloudy, with a high near 23.
Friday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 21. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalls NY
 42.42°N 77.31°W (Elev. 1745 ft)
Last Update:
12:37 am EST Jan 18, 2026
Forecast Valid:
4am EST Jan 18, 2026-6pm EST Jan 24, 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