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

36°F

2°C

Humidity 89%
Wind Speed W 5 mph
Barometer 29.99 in (1016.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Jan 10:53 pm EST
Extended Forecast for

Altay NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. West wind 3 to 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Light and variable wind becoming south around 6 mph in the morning.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 34. South wind 10 to 16 mph, with gusts as high as 33 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 48. Breezy, with a south wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 36. South wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 70%.

    High: 47 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 42. Light and variable wind becoming south around 6 mph in the morning.
Thursday Night
Increasing clouds, with a low around 34. South wind 10 to 16 mph, with gusts as high as 33 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 48. Breezy, with a south wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 36. South wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 70%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.43°N 77.01°W (Elev. 1545 ft)
Last Update:
5:48 pm EST Jan 7, 2026
Forecast Valid:
11pm EST Jan 7, 2026-6pm EST Jan 14, 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