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 86%
Wind Speed S 3 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Apr 5:53 am EDT
Extended Forecast for

Penn Yan NY

  • Today

    Today: Increasing clouds, with a high near 75. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 75 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 39. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Heavy Rain

  • Sunday

    Sunday: Showers, mainly before 8am. High near 45. Northwest wind 9 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Showers then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 28. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 40. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 75. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 39. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers, mainly before 8am. High near 45. Northwest wind 9 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 28. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
Monday
A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 40. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan NY
 42.65°N 77.06°W (Elev. 719 ft)
Last Update:
6:13 am EDT Apr 18, 2026
Forecast Valid:
6am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation