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

35°F

2°C

Humidity 85%
Wind Speed Calm
Barometer 30.04 in (1018.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 19 Apr 10:53 pm EDT
Extended Forecast for

Altay NY

  • Tonight

    Tonight: Scattered snow showers. Mostly cloudy, with a low around 25. West wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Scattered
    Snow Showers

  • Monday

    Monday: Scattered snow showers, mainly between 11am and 5pm. Partly sunny, with a high near 37. Northwest wind around 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Scattered
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. South wind 6 to 10 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 40. South wind around 9 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered snow showers. Mostly cloudy, with a low around 25. West wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Scattered snow showers, mainly between 11am and 5pm. Partly sunny, with a high near 37. Northwest wind around 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 22. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 51. South wind 6 to 10 mph.
Tuesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 40. South wind around 9 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Saturday
Showers likely. Partly sunny, with a high near 61. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
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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:
7:30 pm EDT Apr 19, 2026
Forecast Valid:
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 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