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.

Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in (1022.9 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 4 Mar 2:53 am EST
Extended Forecast for

Altay NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Calm wind.

    High: 49 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 3am. Increasing clouds, with a low around 33. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 46. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain. Low around 39. South wind 7 to 9 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers after 1pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Mostly Cloudy
    then Showers

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Calm wind.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Calm wind.
Wednesday Night
A chance of rain after 3am. Increasing clouds, with a low around 33. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
Rain, mainly after 1pm. High near 46. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 39. South wind 7 to 9 mph. Chance of precipitation is 90%.
Friday
Mostly cloudy, with a high near 52.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Saturday
Showers after 1pm. High near 67. Chance of precipitation is 80%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.43°N 77.01°W (Elev. 1545 ft)
Last Update:
1:30 am EST Mar 4, 2026
Forecast Valid:
3am EST Mar 4, 2026-6pm EDT Mar 10, 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