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.

Fog/Mist

38°F

3°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.31 in (1027.4 mb)
Dewpoint 36°F (2°C)
Visibility 1.50 mi
Last update 2 Apr 10:53 am EDT
Extended Forecast for

Hammondsport NY

  • Today

    Today: A slight chance of showers before noon, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. South wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 44. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers before noon, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 50. South wind 10 to 14 mph, with gusts as high as 28 mph.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 44. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 46. Chance of precipitation is 90%.
Sunday
Showers, mainly before 8am. High near 56. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 48.
Monday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Tuesday
A chance of snow showers. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 52.
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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:
11:28 am EDT Apr 2, 2026
Forecast Valid:
11am EDT Apr 2, 2026-6pm EDT Apr 8, 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