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.

Fair

46°F

8°C

Humidity 86%
Wind Speed SW 8 mph
Barometer 30.03 in (1017.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 May 1:53 am EDT
Extended Forecast for

Altay NY

  • Overnight

    Overnight: Mostly clear, with a low around 44. Southwest wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 77. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 77 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 56. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. West wind 5 to 7 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Calm wind becoming south around 5 mph after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Southwest wind around 6 mph.
Saturday
Increasing clouds, with a high near 77. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 56. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 54. Calm wind becoming south around 5 mph after midnight.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 65.
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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:
2:07 am EDT May 16, 2026
Forecast Valid:
2am EDT May 16, 2026-6pm EDT May 22, 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