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

32°F

0°C

Humidity 59%
Wind Speed SW 16 G 24 mph
Barometer 30.08 in (1019.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Jan 10:53 am EST
Extended Forecast for

Waterloo NY

  • Today

    Today: Mostly cloudy, with a high near 37. West wind 10 to 14 mph.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of snow showers between 10pm and midnight. Cloudy, with a low around 31. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43. South wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Cloudy, with a low around 38. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 42. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, becoming all snow after 1am. Cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.

    High: 23 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 37. West wind 10 to 14 mph.
Tonight
A slight chance of snow showers between 10pm and midnight. Cloudy, with a low around 31. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 43. South wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers, mainly after 1am. Cloudy, with a low around 38. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 42. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
Rain and snow showers likely, becoming all snow after 1am. Cloudy, with a low around 19. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo NY
 42.9°N 76.87°W (Elev. 499 ft)
Last Update:
11:28 am EST Jan 12, 2026
Forecast Valid:
11am EST Jan 12, 2026-6pm EST Jan 18, 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