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

30°F

-1°C

Humidity 66%
Wind Speed W 12 G 18 mph
Barometer 30.13 in (1021.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 20 Apr 5:53 am EDT
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: Isolated snow showers. Mostly cloudy, with a low around 27. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Isolated Snow
    Showers

  • Monday

    Monday: Scattered snow showers, mainly between 11am and 5pm. Partly sunny, with a high near 41. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Scattered
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Light and variable wind.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 56. South wind 3 to 7 mph.

    High: 56 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 44. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated snow showers. Mostly cloudy, with a low around 27. West wind around 6 mph. Chance of precipitation is 20%.
Monday
Scattered snow showers, mainly between 11am and 5pm. Partly sunny, with a high near 41. Northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 24. Light and variable wind.
Tuesday
Increasing clouds, with a high near 56. South wind 3 to 7 mph.
Tuesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 44. South wind around 6 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 68.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
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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 am EDT Apr 20, 2026
Forecast Valid:
5am EDT Apr 20, 2026-6pm EDT Apr 26, 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