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

45°F

7°C

Humidity 52%
Wind Speed W 6 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Mar 2:53 pm EDT
Extended Forecast for

Altay NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 41. Southwest wind around 9 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southwest wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of freezing rain before 9am, then rain. High near 50. South wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.

    High: 50 °F

    Rain/Freezing
    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 31. Northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 47. Northwest wind 6 to 8 mph.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 2am, mixing with snow after 5am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of showers before 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 8am. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 41. Southwest wind around 9 mph.
Tonight
Mostly cloudy, with a low around 27. Southwest wind 3 to 6 mph.
Friday
A slight chance of freezing rain before 9am, then rain. High near 50. South wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.
Friday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 31. Northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 47. Northwest wind 6 to 8 mph.
Saturday Night
A slight chance of rain after 2am, mixing with snow after 5am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Sunday
A chance of showers before 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Sunday Night
Rain and snow likely, mainly before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
A chance of rain and snow before 8am. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.43°N 77.01°W (Elev. 1545 ft)
Last Update:
3:22 pm EDT Mar 19, 2026
Forecast Valid:
3pm EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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