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

32°F

0°C

Humidity 73%
Wind Speed NW 14 G 24 mph
Barometer 30.20 in (1023.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 1 Dec 2:53 am EST
Extended Forecast for

Hammondsport NY

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

  • Overnight

    Overnight: A chance of snow showers, mainly before 4am. Mostly cloudy, with a low around 24. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 8am. Partly sunny, with a high near 31. Northwest wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 20. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow, mainly before 1pm. The snow could be heavy at times. High near 35. South wind around 6 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of around 4 inches.

    High: 35 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 19. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.

    High: 32 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of snow showers, mainly before 4am. Mostly cloudy, with a low around 24. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Monday
A slight chance of snow showers before 8am. Partly sunny, with a high near 31. Northwest wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Monday Night
Snow likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 20. Calm wind becoming south around 6 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 35. South wind around 6 mph becoming light and variable. 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 19. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 31.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 36. Chance of precipitation is 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:
2:58 am EST Dec 1, 2025
Forecast Valid:
3am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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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