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.

Light Rain

53°F

12°C

Humidity 86%
Wind Speed NW 15 G 30 mph
Barometer 29.81 in (1009.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Oct 5:53 pm EDT
Extended Forecast for

Hammondsport NY

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 34. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain showers before 7am, then a chance of rain and snow showers between 7am and 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 49. North wind 9 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 29. Calm wind.

    Low: 29 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Light southwest wind.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 34. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain showers before 7am, then a chance of rain and snow showers between 7am and 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 49. North wind 9 to 11 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Clear, with a low around 29. Calm wind.
Sunday
Sunny, with a high near 61. Light southwest wind.
Sunday Night
Clear, with a low around 33. Calm wind.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
2:30 pm EDT Oct 16, 2026
Forecast Valid:
6pm EDT Oct 16, 2026-6pm EDT Oct 23, 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