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

25°C

77°F

Humidity 60%
Wind Speed SW 11 km/h
Barometer 1013.6 mb (29.96 in)
Dewpoint 17°C (62°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 19 May 9:53 pm EDT
Extended Forecast for

Penn Yan NY

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 15. Southwest wind 14 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 50%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 15 °C

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 19. Northwest wind 14 to 18 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    High: 19 °C

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6. Northwest wind around 14 km/h.

    Low: 6 °C

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 14. North wind 14 to 16 km/h.

    High: 14 °C

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5. North wind 5 to 8 km/h becoming calm in the evening.

    Low: 5 °C

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 19. Chance of precipitation is 20%.

    High: 19 °C

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 8. Chance of precipitation is 70%.

    Low: 8 °C

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 16. Chance of precipitation is 80%.

    High: 16 °C

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 9. Chance of precipitation is 70%.

    Low: 9 °C

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 15. Southwest wind 14 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 50%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 19. Northwest wind 14 to 18 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Wednesday Night
Mostly cloudy, with a low around 6. Northwest wind around 14 km/h.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 14. North wind 14 to 16 km/h.
Thursday Night
Partly cloudy, with a low around 5. North wind 5 to 8 km/h becoming calm in the evening.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 19. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 8. Chance of precipitation is 70%.
Saturday
Showers. High near 16. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 9. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Memorial Day
Mostly cloudy, with a high near 23.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan NY
 42.65°N 77.06°W (Elev. 719 m)
Last Update:
2:39 pm EDT May 19, 2026
Forecast Valid:
9pm EDT May 19, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation