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.

Fair

67°F

19°C

Humidity 47%
Wind Speed Vrbl 3 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 Aug 6:53 pm EDT
Extended Forecast for

Penn Yan NY

  • Tonight

    Tonight: Clear, with a low around 51. North wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind around 6 mph becoming calm in the morning.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. Southwest wind 6 to 8 mph becoming west in the afternoon.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 51. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. Southwest wind around 6 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 60. Calm wind becoming south 5 to 8 mph after midnight.
Sunday
Partly sunny, with a high near 80. Southwest wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 77.
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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:
6:54 pm EDT Aug 28, 2026
Forecast Valid:
6pm EDT Aug 28, 2026-6pm EDT Sep 4, 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