Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

77°F

25°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Jul 6:53 am EDT
Extended Forecast for

Marshalls NY

Extreme Heat Warning July 2, 07:22am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 07:22am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 94 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 72. West wind around 8 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 91. Heat index values as high as 95. West wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 69. West wind around 8 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Independence Day

    Independence Day: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 86. West wind around 9 mph.  Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 94. Heat index values as high as 99. West wind 6 to 9 mph.
Tonight
Increasing clouds, with a low around 72. West wind around 8 mph.
Friday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 95. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. West wind around 9 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalls NY
 42.42°N 77.31°W (Elev. 1745 ft)
2:30 am EDT Jul 2, 2026
7am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
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Additional Resources

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