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.

Mostly Cloudy

29°F

-2°C

Humidity 63%
Wind Speed W 15 G 29 mph
Barometer 30.10 in (1020.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Jan 2:53 am EST
Extended Forecast for

3 Miles SE Hammondsport NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. West wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35. West wind 10 to 15 mph.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. Southwest wind around 9 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 36. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers likely before 10pm, then snow showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.

    Low: 17 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.

    High: 21 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Low: 12 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. West wind 11 to 13 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 35. West wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 28. Southwest wind around 9 mph.
Tuesday
Partly sunny, with a high near 40. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 36. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
Rain showers likely before 10pm, then snow showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 24.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Hammondsport NY
 42.38°N 77.2°W (Elev. 1565 ft)
Last Update:
12:27 am EST Jan 12, 2026
Forecast Valid:
3am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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