National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Mostly Cloudy

64°F

18°C

Humidity 41%
Wind Speed NW 8 G 16 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 15 May 5:53 pm EDT
Extended Forecast for

McDuffie Town NY

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 46. Northwest wind 5 to 7 mph becoming calm.

    Low: 46 °F

    Gradual
    Clearing

  • Saturday

    Saturday: A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 79. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Northwest wind 5 to 7 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 46. Northwest wind 5 to 7 mph becoming calm.
Saturday
A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 79. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 75. Northwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 62.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McDuffie Town NY
 42.78°N 76.77°W (Elev. 394 ft)
Last Update:
2:30 pm EDT May 15, 2026
Forecast Valid:
6pm EDT May 15, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation