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

25°F

-4°C

Humidity 66%
Wind Speed W 8 mph
Barometer 30.12 in (1021.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 5 Jan 12:53 am EST
Extended Forecast for

Marshalls NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 31. South wind 6 to 11 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. South wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after 1pm. High near 39. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Mostly Cloudy
    then Showers

  • Tuesday Night

    Tuesday Night: Rain showers likely before 4am, then a slight chance of rain and snow showers. Cloudy, with a low around 32. South wind around 11 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 32 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph.
Monday
A chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 31. South wind 6 to 11 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 27. South wind around 7 mph.
Tuesday
Showers, mainly after 1pm. High near 39. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain showers likely before 4am, then a slight chance of rain and snow showers. Cloudy, with a low around 32. South wind around 11 mph becoming west after midnight. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marshalls NY
 42.42°N 77.31°W (Elev. 1745 ft)
Last Update:
12:55 am EST Jan 5, 2026
Forecast Valid:
1am EST Jan 5, 2026-6pm EST Jan 11, 2026
 
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