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.

Mostly Cloudy

73°F

23°C

Humidity 79%
Wind Speed W 5 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 13 Aug 9:53 am EDT
Extended Forecast for

Penn Yan NY

  • Today

    Today: Partly sunny, with a high near 79. Northwest wind 6 to 9 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind.

    Low: 61 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming north around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Light north wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 79. Northwest wind 6 to 9 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 79. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Light north wind.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 65. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan NY
 42.65°N 77.06°W (Elev. 719 ft)
Last Update:
8:14 am EDT Aug 13, 2026
Forecast Valid:
10am EDT Aug 13, 2026-6pm EDT Aug 19, 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