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

38°F

3°C

Humidity 48%
Wind Speed W 16 G 30 mph
Barometer 29.81 in (1010.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Nov 12:53 pm EST
Extended Forecast for

Waterloo NYSimilar City Names

  • This Afternoon

    This Afternoon: A chance of snow showers. Mostly cloudy, with a high near 39. West wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than one inch possible.

    High: 39 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A chance of snow showers, mainly before 5am. Mostly cloudy, with a low around 31. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before 9am. Partly sunny, with a high near 41. West wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Cloudy, with a low around 39. Chance of precipitation is 50%.

    Low: 39 °F

    Cloudy then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of snow showers. Mostly cloudy, with a high near 39. West wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of snow showers, mainly before 5am. Mostly cloudy, with a low around 31. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers before 9am. Partly sunny, with a high near 41. West wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 27. Calm wind.
Wednesday
Mostly sunny, with a high near 42. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
A chance of showers after 1am. Cloudy, with a low around 39. Chance of precipitation is 50%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 45.
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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:
12:37 pm EST Nov 17, 2025
Forecast Valid:
1pm EST Nov 17, 2025-6pm EST Nov 23, 2025
 
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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