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

37°F

3°C

Humidity 86%
Wind Speed Calm
Barometer 30.35 in (1028.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 22 May 3:53 am EDT
Extended Forecast for

Altay NY

Frost Advisory May 22, 04:54am until May 22, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory May 22, 04:54am until May 22, 08:00am

    NOW until 8:00am Fri

    Frost Advisory

  • Today

    High: 66 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, with a low around 43. Northeast wind 5 to 8 mph becoming south after midnight.

    Low: 43 °F

    Cloudy

  • Saturday

    Saturday: Rain, mainly after 9am. High near 50. Southeast wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 43. Southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 66. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 66. East wind 3 to 6 mph.
Tonight
Cloudy, with a low around 43. Northeast wind 5 to 8 mph becoming south after midnight.
Saturday
Rain, mainly after 9am. High near 50. Southeast wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers, mainly before 2am. Low around 43. Southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 66. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.43°N 77.01°W (Elev. 1545 ft)
Last Update:
2:30 am EDT May 22, 2026
Forecast Valid:
4am EDT May 22, 2026-6pm EDT May 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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