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

79°F

26°C

Humidity 62%
Wind Speed NE 3 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 7 Jul 4:53 pm EDT
Extended Forecast for

Penn Yan NY

  • Tonight

    Tonight: Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. South wind around 5 mph becoming calm in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 68. Calm wind becoming southwest around 6 mph after midnight.

    Low: 68 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. South wind around 5 mph becoming calm in the morning.
Wednesday Night
Increasing clouds, with a low around 68. Calm wind becoming southwest around 6 mph after midnight.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Showers, with thunderstorms also possible after 11am. High near 80. Chance of precipitation is 80%.
Friday Night
Showers likely before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 87.
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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 Jul 7, 2026
Forecast Valid:
5pm EDT Jul 7, 2026-6pm EDT Jul 14, 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