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

36°F

2°C

Humidity 82%
Wind Speed W 9 mph
Barometer 29.95 in (1014.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 May 6:53 am EDT
Extended Forecast for

Hammondsport NY

  • Today

    Today: Isolated showers after 2pm. Mostly sunny, with a high near 53. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 53 °F

    Sunny then
    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before 10pm. Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. Light west wind. Chance of precipitation is 20%.

    Low: 31 °F

    Isolated
    Showers then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 59. West wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 43. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 69. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Showers

Detailed Forecast

Today
Isolated showers after 2pm. Mostly sunny, with a high near 53. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Isolated showers before 10pm. Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. Light west wind. Chance of precipitation is 20%.
Sunday
Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 59. West wind 5 to 11 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 43. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 69. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 47. Chance of precipitation is 80%.
Wednesday
Showers. High near 60. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
3:00 am EDT May 2, 2026
Forecast Valid:
7am EDT May 2, 2026-6pm EDT May 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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