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

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Overcast

33°F

1°C

Humidity 82%
Wind Speed W 10 mph
Barometer 29.89 in (1013.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Feb 7:53 am EST
Extended Forecast for

Hammondsport NY

Flood Watch February 21, 08:18am until February 21, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch February 21, 08:18am until February 21, 08:00pm

    NOW until 8:00pm Sat

    Flood Watch

  • Today

    High: 41 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Cloudy

  • Sunday

    Sunday: Snow likely before 1pm, then snow, possibly mixed with rain. High near 41. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 26. East wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Snow Likely

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 34. North wind 9 to 15 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.

    Low: 11 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 41. West wind 5 to 7 mph.
Tonight
Cloudy, with a low around 29. Calm wind.
Sunday
Snow likely before 1pm, then snow, possibly mixed with rain. High near 41. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Snow likely. Mostly cloudy, with a low around 26. East wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday
A chance of snow. Mostly cloudy, with a high near 34. North wind 9 to 15 mph. Chance of precipitation is 40%.
Monday Night
A chance of snow before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
6:08 am EST Feb 21, 2026
Forecast Valid:
8am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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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