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.

Overcast

41°F

5°C

Humidity 62%
Wind Speed Vrbl 3 mph
Barometer 29.95 in (1015.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 2 May 8:53 pm EDT
Extended Forecast for

Hammondsport NY

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. Light west wind.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 8am. Otherwise, increasing clouds, with a high near 58. West wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Southwest wind 5 to 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. South wind 6 to 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. Light west wind.
Sunday
Widespread frost before 8am. Otherwise, increasing clouds, with a high near 58. West wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 43. Southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 71. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 54. South wind 6 to 8 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 46. Chance of precipitation is 80%.
Wednesday
Showers. High near 59. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 57. Chance of precipitation is 40%.
Friday Night
A chance of showers. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 61. 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:
7:29 pm EDT May 2, 2026
Forecast Valid:
9pm EDT May 2, 2026-6pm EDT May 9, 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