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.

Light Snow

26°F

-3°C

Humidity 81%
Wind Speed N 6 mph
Barometer 30.38 in (1029.9 mb)
Dewpoint 21°F (-6°C)
Visibility 1.75 mi
Wind Chill19°F (-7°C)
Last update 1 Dec 8:53 am EST
Extended Forecast for

Penn Yan NY

Winter Weather Advisory December 2, 01:00am until December 2, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly cloudy, with a high near 29. Northwest wind 5 to 10 mph becoming light in the afternoon.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow, mainly before 1pm. The snow could be heavy at times. High near 32. South wind 5 to 7 mph becoming calm. Chance of precipitation is 80%. New snow accumulation of around 4 inches.

    High: 32 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 21. Northwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. Southwest wind 6 to 9 mph.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.

    High: 29 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 29. Northwest wind 5 to 10 mph becoming light in the afternoon.
Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow, mainly before 1pm. The snow could be heavy at times. High near 32. South wind 5 to 7 mph becoming calm. Chance of precipitation is 80%. New snow accumulation of around 4 inches.
Tuesday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 21. Northwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 35. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 28.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan NY
 42.65°N 77.06°W (Elev. 719 ft)
Last Update:
4:57 am EST Dec 1, 2025
Forecast Valid:
9am EST Dec 1, 2025-6pm EST Dec 7, 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