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.

Light Rain Fog/Mist

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in (1010.2 mb)
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Last update 17 Apr 4:53 am EDT
Extended Forecast for

Altay NY

  • Overnight

    Overnight: A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Northwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly before 7am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. North wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind becoming south around 6 mph after midnight.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. South wind 13 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then showers between 11pm and 5am, then rain after 5am. Low around 37. South wind 11 to 14 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Rain, mainly before 2pm, then a chance of showers after 2pm. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Northwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, mainly before 7am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. North wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 47. Calm wind becoming south around 6 mph after midnight.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. South wind 13 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before 11pm, then showers between 11pm and 5am, then rain after 5am. Low around 37. South wind 11 to 14 mph becoming northwest after midnight. Chance of precipitation is 90%.
Sunday
Rain, mainly before 2pm, then a chance of showers after 2pm. High near 41. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 61.
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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:
2:37 am EDT Apr 17, 2026
Forecast Valid:
5am EDT Apr 17, 2026-6pm EDT Apr 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