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.

A Few Clouds

69°F

21°C

Humidity 33%
Wind Speed S 10 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 7 Oct 2:53 pm EDT
Extended Forecast for

Hammondsport NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. West wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Southwest wind 3 to 6 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. West wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 71. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 52. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 67. West wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 44. Southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 65. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 54. Chance of precipitation is 50%.
Sunday
Showers, mainly after 8am. High near 66. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Columbus Day
Mostly cloudy, with a high near 70.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
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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:
2:30 pm EDT Oct 7, 2026
Forecast Valid:
3pm EDT Oct 7, 2026-6pm EDT Oct 13, 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