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

28°C

82°F

Humidity 67%
Wind Speed S 13 km/h
Barometer 1015.7 mb (30.02 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 13 Jul 10:53 am EDT
Extended Forecast for

Penn Yan NY

Flood Watch until July 14, 05:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until July 14, 05:00am

    NOW until 5:00am Mon

    Flood Watch

  • Today

    High: 31 °C

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Some of the storms could produce heavy rainfall. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Low: 21 °C

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. Calm wind. Chance of precipitation is 20%.

    High: 29 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 31. Calm wind.

    High: 31 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °C

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 40%.

    High: 32 °C

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 31. South wind around 14 km/h. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.
Tonight
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Some of the storms could produce heavy rainfall. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Monday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. Calm wind. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 19. Calm wind.
Tuesday
Sunny, with a high near 31. Calm wind.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 30. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan NY
 42.65°N 77.06°W (Elev. 719 m)
Last Update:
5:46 am EDT Jul 13, 2025
Forecast Valid:
11am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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