National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

73°F

23°C

Humidity 51%
Wind Speed S 16 G 29 mph
Barometer 29.79 in (1008.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Apr 1:53 pm EDT
Extended Forecast for

3 Miles SE Hammondsport NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. Breezy, with a south wind around 20 mph, with gusts as high as 31 mph.

    High: 72 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms. Low around 35. South wind 10 to 13 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers

  • Sunday

    Sunday: Rain and snow showers likely before 11am, then a chance of rain showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 2am, then a slight chance of snow showers. Mostly cloudy, with a low around 26. West wind around 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of snow showers before 11am, then a slight chance of rain and snow showers. Partly sunny, with a high near 38. Northwest wind around 11 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. Breezy, with a south wind around 20 mph, with gusts as high as 31 mph.
Tonight
Showers and thunderstorms. Low around 35. South wind 10 to 13 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain and snow showers likely before 11am, then a chance of rain showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow showers before 2am, then a slight chance of snow showers. Mostly cloudy, with a low around 26. West wind around 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
A slight chance of snow showers before 11am, then a slight chance of rain and snow showers. Partly sunny, with a high near 38. Northwest wind around 11 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Hammondsport NY
 42.38°N 77.2°W (Elev. 1565 ft)
Last Update:
2:30 pm EDT Apr 18, 2026
Forecast Valid:
2pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation