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

39°F

4°C

Humidity 89%
Wind Speed NW 6 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Apr 4:53 am EDT
Extended Forecast for

Hammondsport NY

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 53. Northwest wind 7 to 9 mph.

    High: 53 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 62. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 53. Northwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 31. Calm wind.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 62. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely. Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 76. 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 11, 2026
Forecast Valid:
5am EDT Apr 11, 2026-6pm EDT Apr 17, 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