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

58°F

14°C

Humidity 58%
Wind Speed SW 10 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 2 Nov 11:53 pm EST
Extended Forecast for

Waterloo NYSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. South wind 3 to 6 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. South wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. South wind around 8 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. South wind 8 to 10 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Rain likely after 1am. Mostly cloudy, with a low around 59. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 59 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. South wind 3 to 6 mph.
Tuesday
A slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. South wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 53. South wind around 8 mph.
Wednesday
Sunny, with a high near 74. South wind 8 to 10 mph.
Wednesday Night
Rain likely after 1am. Mostly cloudy, with a low around 59. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Thursday
Rain and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Thursday Night
A chance of rain before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo NYSimilar City Names
 42.9°N 76.87°W (Elev. 499 ft)
Last Update:
5:53 pm EST Nov 2, 2026
Forecast Valid:
12am EST Nov 3, 2026-6pm EST Nov 9, 2026
 
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Additional Resources

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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