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

24°C

76°F

Humidity 82%
Wind Speed S 15 km/h
Barometer 1019.1 mb (30.12 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 23 Jun 5:53 am EDT
Extended Forecast for

Penn Yan NY

Heat Advisory June 23, 06:30am until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 06:30am until June 25, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 35 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 5 to 10 km/h.

    Low: 23 °C

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 34. West wind 10 to 14 km/h. Chance of precipitation is 20%.

    High: 34 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West wind 3 to 8 km/h.

    Low: 21 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 28. Calm wind becoming north 5 to 10 km/h in the morning. Chance of precipitation is 40%.

    High: 28 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 27. Chance of precipitation is 50%.

    High: 27 °C

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °C

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 35. West wind 8 to 11 km/h.
Tonight
Mostly clear, with a low around 23. Southwest wind 5 to 10 km/h.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 34. West wind 10 to 14 km/h. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 21. West wind 3 to 8 km/h.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 28. Calm wind becoming north 5 to 10 km/h in the morning. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 27. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Friday
A chance of showers 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 27. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 27. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
A chance of showers. Mostly sunny, with a high near 28. Chance of precipitation is 30%.
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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:
6:19 am EDT Jun 23, 2025
Forecast Valid:
6am EDT Jun 23, 2025-6pm EDT Jun 29, 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