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.

Overcast

40°F

4°C

Humidity 68%
Wind Speed SW 18 G 26 mph
Barometer 29.85 in (1011.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 28 Feb 3:53 am EST
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. South wind around 10 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before 8am. Partly sunny, with a high near 51. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 3am. Increasing clouds, with a low around 21. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly cloudy, with a high near 29. North wind 6 to 9 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. Northwest wind around 6 mph becoming calm after midnight.

    Low: 8 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 1pm, then rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. South wind around 10 mph, with gusts as high as 23 mph.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 51. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Snow likely, mainly after 3am. Increasing clouds, with a low around 21. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 29. North wind 6 to 9 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 8. Northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
A chance of snow before 1pm, then rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
1:39 am EST Feb 28, 2026
Forecast Valid:
4am EST Feb 28, 2026-6pm EST Mar 6, 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