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

63°F

17°C

Humidity 81%
Wind Speed SW 9 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 May 9:53 pm EDT
Extended Forecast for

Altay NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. West wind 6 to 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 77. West wind around 7 mph.

    High: 77 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind around 8 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. West wind 6 to 8 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 77. West wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Monday
Mostly sunny, with a high near 86. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 65. South wind around 8 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 78. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly 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:
2:30 pm EDT May 16, 2026
Forecast Valid:
9pm EDT May 16, 2026-6pm EDT May 23, 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