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

20°F

-7°C

Humidity 85%
Wind Speed Calm
Barometer 29.94 in (1015.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 26 Feb 9:53 pm EST
Extended Forecast for

3 Miles SE Hammondsport NY

  • Tonight

    Tonight: Mostly clear, with a low around 17. Calm wind becoming southwest around 5 mph after midnight.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 45. Southwest wind 6 to 9 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. South wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 46. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 19. North wind around 7 mph. Chance of precipitation is 40%.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 17. Calm wind becoming southwest around 5 mph after midnight.
Friday
Sunny, with a high near 45. Southwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 34. South wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 46. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 19. North wind around 7 mph. Chance of precipitation is 40%.
Sunday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Partly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
6:25 pm EST Feb 26, 2026
Forecast Valid:
10pm EST Feb 26, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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