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.

Mostly Cloudy

36°F

2°C

Humidity 70%
Wind Speed S 3 mph
Barometer 29.50 in (999.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 14 Jan 4:53 am EST
Extended Forecast for

Hammondsport NY

Winter Weather Advisory January 14, 07:00pm until January 15, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 45. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tonight

    Tonight: Rain and snow, becoming all snow after 1am. Low around 16. Calm wind becoming northwest 5 to 9 mph in the evening. Chance of precipitation is 90%. New snow accumulation of around 2 inches.

    Low: 16 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: A chance of snow before 7am, then a chance of snow showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 23. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 12. West wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Partly sunny, with a high near 29. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 1pm. Partly sunny, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Saturday Night

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

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 45. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain and snow, becoming all snow after 1am. Low around 16. Calm wind becoming northwest 5 to 9 mph in the evening. Chance of precipitation is 90%. New snow accumulation of around 2 inches.
Thursday
A chance of snow before 7am, then a chance of snow showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 23. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Thursday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 12. West wind 7 to 9 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 29. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers after 1pm. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 12.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 19.
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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:
4:58 am EST Jan 14, 2026
Forecast Valid:
5am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation