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

53°F

12°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 12:53 am EDT
Extended Forecast for

Dundee NY

  • Overnight

    Overnight: Clear, with a low around 50. Light southwest wind.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77. South wind 3 to 5 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59. South wind 3 to 7 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 80. South wind around 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 63. Light southwest wind. Chance of precipitation is 40%.

    Low: 63 °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 50%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °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 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 50. Light southwest wind.
Saturday
Sunny, with a high near 77. South wind 3 to 5 mph.
Saturday Night
Increasing clouds, with a low around 59. South wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 80. South wind around 8 mph becoming west in the afternoon.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. 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 67. Chance of precipitation is 60%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. 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
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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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:
1:05 am EDT Aug 29, 2026
Forecast Valid:
1am EDT Aug 29, 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