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.

Light Rain

48°F

9°C

Humidity 74%
Wind Speed Calm
Barometer 29.99 in (1015.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 12 May 11:53 pm EDT
Extended Forecast for

Penn Yan Airport NY

  • Overnight

    Overnight: Showers. Low around 46. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 66. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 56. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 44. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Low around 46. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 66. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, with a high near 56. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 44. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan Airport NY
 42.65°N 77.03°W (Elev. 768 ft)
Last Update:
12:14 am EDT May 13, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation