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

21°F

-6°C

Humidity 74%
Wind Speed W 8 G 18 mph
Barometer 29.60 in (1003.7 mb)
Dewpoint 14°F (-10°C)
Visibility 4.00 mi
Wind Chill11°F (-12°C)
Last update 30 Dec 2:53 am EST
Extended Forecast for

3 Miles SE Hammondsport NY

Winter Weather Advisory December 30, 03:37am until December 31, 07:00pm
Wind Advisory December 30, 03:37am until December 30, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory December 30, 03:37am until December 31, 07:00pm
    Wind Advisory December 30, 03:37am until December 30, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 18 °F

    Chance Snow
    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 3pm. Patchy blowing snow after 7am. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Breezy, with a west wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 1am. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 19. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Patchy
    Blowing Snow
    and Breezy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers likely, mainly after 1pm. Cloudy, with a high near 26. Southwest wind 10 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 1am. Low around 11. Northwest wind around 9 mph. Chance of precipitation is 80%.

    Low: 11 °F

    Snow Showers

  • New Year's Day

    New Year's Day: A chance of snow showers, mainly after 1pm. Partly sunny, with a high near 18. Chance of precipitation is 30%.

    High: 18 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow showers. Cloudy, with a low around 18. Windy, with a west wind around 26 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of around 2 inches.
Tuesday
A chance of snow showers, mainly before 3pm. Patchy blowing snow after 7am. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Breezy, with a west wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow showers after 1am. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 19. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers likely, mainly after 1pm. Cloudy, with a high near 26. Southwest wind 10 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers, mainly before 1am. Low around 11. Northwest wind around 9 mph. Chance of precipitation is 80%.
New Year's Day
A chance of snow showers, mainly after 1pm. Partly sunny, with a high near 18. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly cloudy, with a high near 25.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly cloudy, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Hammondsport NY
 42.38°N 77.2°W (Elev. 1565 ft)
Last Update:
11:49 pm EST Dec 29, 2025
Forecast Valid:
3am EST Dec 30, 2025-6pm EST Jan 5, 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