National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

26°F

-3°C

Humidity 55%
Wind Speed SW 8 mph
Barometer 30.01 in (1017.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Jan 1:53 am EST
Extended Forecast for

3 Miles SE Hammondsport NY

  • Overnight

    Overnight: A chance of snow showers, mainly between 3am and 5am. Mostly cloudy, with a low around 19. Southwest wind around 6 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 23. West wind 6 to 8 mph.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Light and variable wind becoming southwest 5 to 7 mph in the evening.

    Low: 14 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 24. Southwest wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 6. Breezy, with a west wind 15 to 20 mph, with gusts as high as 36 mph.

    Low: 6 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 13.

    High: 13 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday 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

Detailed Forecast

Overnight
A chance of snow showers, mainly between 3am and 5am. Mostly cloudy, with a low around 19. Southwest wind around 6 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 23. West wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 14. Light and variable wind becoming southwest 5 to 7 mph in the evening.
M.L.King Day
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 24. Southwest wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 6. Breezy, with a west wind 15 to 20 mph, with gusts as high as 36 mph.
Tuesday
Partly sunny, with a high near 13.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Mostly cloudy, with a high near 25.
Friday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 22. 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:
12:37 am EST Jan 18, 2026
Forecast Valid:
2am EST Jan 18, 2026-6pm EST Jan 24, 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