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.

Light Rain Fog/Mist

47°F

8°C

Humidity 90%
Wind Speed S 10 mph
Barometer 29.70 in (1006.3 mb)
Dewpoint 44°F (7°C)
Visibility 3.00 mi
Wind Chill42°F (6°C)
Last update 20 Mar 2:53 pm EDT
Extended Forecast for

Hammondsport NY

  • This Afternoon

    This Afternoon: Rain. High near 55. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Tonight

    Tonight: Rain likely before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 33. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49. North wind 3 to 5 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. Southwest wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow showers before 8am. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. High near 55. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 33. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 49. North wind 3 to 5 mph.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. Southwest wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Sunday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
A chance of snow showers before 8am. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
A chance of snow showers. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
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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 Mar 20, 2026
Forecast Valid:
3pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation