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

35°F

2°C

Humidity 50%
Wind Speed SW 14 mph
Barometer 30.01 in (1017.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Jan 4:53 pm EST
Extended Forecast for

Altay NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southwest wind 7 to 9 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 40. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 40 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 10am, then a slight chance of rain showers between 10am and 1pm, then a chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 40. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, becoming all snow after 10pm. Mostly cloudy, with a low around 16. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 16 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.

    High: 21 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Southwest wind 7 to 9 mph.
Tuesday
Increasing clouds, with a high near 40. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 11 to 16 mph, with gusts as high as 30 mph.
Wednesday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers between 10am and 1pm, then a chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 40. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers likely, becoming all snow after 10pm. Mostly cloudy, with a low around 16. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
A chance of snow showers after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 10.
M.L.King Day
Mostly cloudy, with a high near 20.
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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:
3:23 pm EST Jan 12, 2026
Forecast Valid:
5pm EST Jan 12, 2026-6pm EST Jan 19, 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