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

29°F

-2°C

Humidity 72%
Wind Speed NW 13 G 22 mph
Barometer 30.32 in (1028.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 24 Mar 12:53 am EDT
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: A chance of snow showers, mainly before 3am. Mostly cloudy, with a low around 22. Northwest wind around 6 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Light southwest wind.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain before 5am, then a chance of rain and snow. Low around 29. Chance of precipitation is 80%.

    Low: 29 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 8am. Partly sunny, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of snow showers, mainly before 3am. Mostly cloudy, with a low around 22. Northwest wind around 6 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. Light southwest wind.
Wednesday
Partly sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 40. South wind around 6 mph.
Thursday
A chance of rain after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 50%.
Thursday Night
Rain before 5am, then a chance of rain and snow. Low around 29. Chance of precipitation is 80%.
Friday
A chance of rain and snow before 8am. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
1:00 am EDT Mar 24, 2026
Forecast Valid:
1am EDT Mar 24, 2026-6pm EDT Mar 30, 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