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.

Overcast

66°F

19°C

Humidity 75%
Wind Speed Vrbl 5 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Sep 11:53 pm EDT
Extended Forecast for

Dundee NY

  • Overnight

    Overnight: Mostly cloudy early, then gradual clearing, with a low around 52. Northwest wind around 9 mph.

    Low: 52 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 66. North wind 9 to 11 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. South wind 7 to 14 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 58. South wind 11 to 14 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy early, then gradual clearing, with a low around 52. Northwest wind around 9 mph.
Monday
Sunny, with a high near 66. North wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 45. Light and variable wind.
Tuesday
Mostly sunny, with a high near 72. South wind 7 to 14 mph.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 58. South wind 11 to 14 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 50%.
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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:
12:20 am EDT Sep 14, 2026
Forecast Valid:
12am EDT Sep 14, 2026-6pm EDT Sep 20, 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