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

31°F

-1°C

Humidity 69%
Wind Speed SW 3 mph
Barometer 30.03 in (1017.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 7 Dec 2:53 am EST
Extended Forecast for

Altay NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow showers after noon. Mostly cloudy, with a high near 32. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A slight chance of snow showers after 11pm. Mostly cloudy, with a low around 10. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 10 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 18. Wind chill values as low as -1. North wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 18 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. Calm wind becoming south around 6 mph after midnight.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 20%.

    High: 29 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Rain and snow showers, becoming all rain after 1pm. High near 37. Chance of precipitation is 90%.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Calm wind.
Sunday
A slight chance of snow showers after noon. Mostly cloudy, with a high near 32. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A slight chance of snow showers after 11pm. Mostly cloudy, with a low around 10. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 18. Wind chill values as low as -1. North wind 5 to 9 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 5. Calm wind becoming south around 6 mph after midnight.
Tuesday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 20%.
Tuesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Wednesday
Rain and snow showers, becoming all rain after 1pm. High near 37. Chance of precipitation is 90%.
Wednesday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Thursday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
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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:
1:18 am EST Dec 7, 2025
Forecast Valid:
3am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
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