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.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed E 5 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill42°F (6°C)
Last update 11 Mar 1:53 am EDT
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 72. South wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 11pm. Low around 31. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. West wind around 15 mph, with gusts as high as 28 mph.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. West wind 3 to 8 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Calm wind.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 72. South wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, mainly before 11pm. Low around 31. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly cloudy, with a high near 38. West wind around 15 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 25. West wind 3 to 8 mph.
Friday
Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Friday Night
Rain showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Sunday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
Rain and snow showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 29.
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:
1:33 am EDT Mar 11, 2026
Forecast Valid:
2am EDT Mar 11, 2026-6pm EDT Mar 17, 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