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.

Mostly Cloudy

9°F

-13°C

Humidity 48%
Wind Speed SW 9 G 20 mph
Barometer 29.88 in (1013.8 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 27 Jan 9:53 am EST
Extended Forecast for

Hammondsport NY

Cold Weather Advisory January 27, 09:58am until January 27, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 27, 09:58am until January 27, 01:00pm

    NOW until 1:00pm Tue

    Cold Weather Advisory

  • Today

    High: 16 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 4. Wind chill values as low as -5. West wind 6 to 9 mph.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18. Wind chill values as low as -7. West wind 6 to 8 mph.

    High: 18 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 1. Wind chill values as low as -8. West wind 3 to 6 mph.

    Low: 1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 18. West wind 6 to 9 mph.

    High: 18 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around -1. Chance of precipitation is 20%.

    Low: -1 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 13.

    High: 13 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 16. Wind chill values as low as -4. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 4. Wind chill values as low as -5. West wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 18. Wind chill values as low as -7. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 1. Wind chill values as low as -8. West wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 18. West wind 6 to 9 mph.
Thursday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around -1. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 13.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Partly sunny, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 27.
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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:
4:57 am EST Jan 27, 2026
Forecast Valid:
9am EST Jan 27, 2026-6pm EST Feb 2, 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