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

10°F

-12°C

Humidity 50%
Wind Speed W 18 G 32 mph
Barometer 30.25 in (1026.6 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 23 Jan 3:53 pm EST
Extended Forecast for

Hammondsport NY

Cold Weather Advisory January 23, 07:00pm until January 24, 10:00am
Winter Storm Warning January 25, 01:00am until January 26, 07:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • This Afternoon

    This Afternoon: Partly sunny and cold, with a steady temperature around 10. Wind chill values as low as -7. West wind around 14 mph, with gusts as high as 25 mph.

    High: 10 °F

    Cold

  • Tonight

    Tonight: A slight chance of snow showers after 9pm. Partly cloudy, with a low around 1. Wind chill values as low as -10. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 1 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 14. Wind chill values as low as -9. West wind 3 to 6 mph.

    High: 14 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 7. Light and variable wind. Chance of precipitation is 20%.

    Low: 7 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 17. East wind around 6 mph. Chance of precipitation is 100%.

    High: 17 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 11. Chance of precipitation is 100%.

    Low: 11 °F

    Heavy Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 50%.

    High: 19 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny and cold, with a steady temperature around 10. Wind chill values as low as -7. West wind around 14 mph, with gusts as high as 25 mph.
Tonight
A slight chance of snow showers after 9pm. Partly cloudy, with a low around 1. Wind chill values as low as -10. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 14. Wind chill values as low as -9. West wind 3 to 6 mph.
Saturday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 7. Light and variable wind. Chance of precipitation is 20%.
Sunday
Snow. The snow could be heavy at times. High near 17. East wind around 6 mph. Chance of precipitation is 100%.
Sunday Night
Snow. The snow could be heavy at times. Low around 11. Chance of precipitation is 100%.
Monday
A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Partly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 20.
Wednesday Night
Mostly cloudy, with a low around 2.
Thursday
Mostly cloudy, with a high near 16.
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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:
3:22 pm EST Jan 23, 2026
Forecast Valid:
4pm EST Jan 23, 2026-6pm EST Jan 29, 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