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

27°F

-3°C

Humidity 55%
Wind Speed S 18 G 26 mph
Barometer 29.72 in (1008.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 9 Dec 8:53 pm EST
Extended Forecast for

Hammondsport NY

  • Tonight

    Tonight: A chance of snow, mainly after 4am. Mostly cloudy, with a low around 23. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow before 2pm, then a chance of rain showers between 2pm and 3pm, then a chance of rain and snow showers after 3pm. High near 39. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 19. West wind 9 to 11 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers. Partly sunny, with a high near 29. West wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 29 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 17. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 20%.

    High: 32 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

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

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.

    Low: 18 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 23. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 2pm, then a chance of rain showers between 2pm and 3pm, then a chance of rain and snow showers after 3pm. High near 39. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 19. West wind 9 to 11 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers. Partly sunny, with a high near 29. West wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 17. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 20%.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Saturday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly cloudy, with a high near 26.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
3:22 pm EST Dec 9, 2025
Forecast Valid:
9pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
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