National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

48°F

9°C

Humidity 71%
Wind Speed Calm
Barometer 30.22 in (1023.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 May 3:53 am EDT
Extended Forecast for

Altay NY

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 57. North wind around 9 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northeast wind 3 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. East wind 3 to 6 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 45. East wind around 6 mph becoming southeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 53. Southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 57. North wind around 9 mph.
Tonight
Mostly clear, with a low around 38. Northeast wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 67. East wind 3 to 6 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 45. East wind around 6 mph becoming southeast after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly after 8am. High near 53. Southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Saturday Night
Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 76.
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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:
2:30 am EDT May 21, 2026
Forecast Valid:
4am EDT May 21, 2026-6pm EDT May 27, 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