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

59°F

15°C

Humidity 78%
Wind Speed NW 8 G 17 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Oct 5:53 pm EDT
Extended Forecast for

Penn Yan NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northwest wind 8 to 10 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 58. East wind 3 to 7 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 2am. Low around 50. Light and variable wind becoming south 10 to 15 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 70. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Northwest wind 8 to 10 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 58. East wind 3 to 7 mph.
Thursday Night
Showers, with thunderstorms also possible after 2am. Low around 50. Light and variable wind becoming south 10 to 15 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 70. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Saturday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 45. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 63.
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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 ft)
Last Update:
2:30 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 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