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.

Overcast

26°F

-3°C

Humidity 71%
Wind Speed SW 18 G 30 mph
Barometer 29.52 in (1001.1 mb)
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Wind Chill13°F (-11°C)
Last update 31 Dec 6:53 pm EST
Extended Forecast for

Hammondsport NY

  • Tonight

    Tonight: Snow showers, mainly before 2am. Areas of blowing snow before 2am. Low around 12. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around 2 inches.

    Low: 12 °F

    Snow Showers
    and Areas
    Blowing Snow

  • New Year's Day

    New Year's Day: A chance of snow showers, mainly after 1pm. Partly sunny, with a high near 21. Wind chill values as low as zero. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 14. West wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 26. West wind 6 to 9 mph.

    High: 26 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. West wind around 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow showers, mainly before 2am. Areas of blowing snow before 2am. Low around 12. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around 2 inches.
New Year's Day
A chance of snow showers, mainly after 1pm. Partly sunny, with a high near 21. Wind chill values as low as zero. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 14. West wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, with a high near 26. West wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 15. West wind around 6 mph.
Saturday
Partly sunny, with a high near 29.
Saturday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
6:10 pm EST Dec 31, 2025
Forecast Valid:
7pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation