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

76°F

24°C

Humidity 42%
Wind Speed Vrbl 5 mph
Barometer 30.13 in (1019.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Aug 2:53 pm EDT
Extended Forecast for

Dundee NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Northeast wind 3 to 5 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 7 to 11 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Increasing clouds, with a low around 61. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. West wind 9 to 11 mph. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Northeast wind 3 to 5 mph.
Tonight
Clear, with a low around 55. Light and variable wind.
Saturday
Sunny, with a high near 80. South wind 7 to 11 mph.
Saturday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Increasing clouds, with a low around 61. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. West wind 9 to 11 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dundee NY
 42.51°N 76.97°W (Elev. 997 ft)
Last Update:
2:30 pm EDT Aug 21, 2026
Forecast Valid:
2pm EDT Aug 21, 2026-6pm EDT Aug 27, 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