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.

Fair

52°F

11°C

Humidity 43%
Wind Speed SW 15 G 25 mph
Barometer 30.40 in (1029.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 10 Oct 10:53 am EDT
Extended Forecast for

Hammondsport NY

  • Today

    Today: Sunny, with a high near 64. South wind 9 to 11 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. South wind 6 to 8 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers before 9am, then a chance of rain, mainly after 2pm. Mostly sunny, with a high near 69. South wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 48. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 66. East wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 66 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Columbus Day

    Columbus Day: Rain likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. South wind 9 to 11 mph.
Tonight
Mostly clear, with a low around 43. South wind 6 to 8 mph.
Saturday
A slight chance of showers before 9am, then a chance of rain, mainly after 2pm. Mostly sunny, with a high near 69. South wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 48. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 66. East wind 5 to 8 mph. Chance of precipitation is 60%.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Columbus Day
Rain likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 57.
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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:
10:58 am EDT Oct 10, 2025
Forecast Valid:
11am EDT Oct 10, 2025-6pm EDT Oct 16, 2025
 
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