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

84°F

29°C

Humidity 65%
Wind Speed Calm
Barometer 29.95 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 30 Jun 7:53 pm EDT
Extended Forecast for

Hermitage NY

Extreme Heat Warning July 1, 11:00am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Light southwest wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind 5 to 7 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Light southwest wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 103. West wind 5 to 9 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. West wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. Light southwest wind.
Wednesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 74. Light southwest wind.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 103. West wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 74. West wind around 6 mph.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Independence Day
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermitage NY
 42.39°N 77.26°W (Elev. 869 ft)
Last Update:
6:30 pm EDT Jun 30, 2026
Forecast Valid:
8pm EDT Jun 30, 2026-6pm EDT Jul 7, 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