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

43°F

6°C

Humidity 34%
Wind Speed S 15 mph
Barometer 30.38 in (1029.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 9 Apr 12:53 am EDT
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: Mostly clear, with a low around 34. South wind around 8 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65. South wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. South wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. South wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Northwest wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 34. South wind around 8 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 65. South wind 10 to 16 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 44. South wind 6 to 9 mph, with gusts as high as 21 mph.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. South wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Northwest wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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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 Apr 8, 2026
Forecast Valid:
1am EDT Apr 9, 2026-6pm EDT Apr 15, 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