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.

Fog/Mist

53°F

12°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 53°F (12°C)
Visibility 3.00 mi
Last update 4 Sep 11:53 pm EDT
Extended Forecast for

Logan NY

  • Overnight

    Overnight: Patchy fog before 3am. Otherwise, partly cloudy, with a low around 52. South wind 3 to 5 mph.

    Low: 52 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 77. Southwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 55. South wind 5 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Cloudy, with a high near 63. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 48. Light southwest wind. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog before 3am. Otherwise, partly cloudy, with a low around 52. South wind 3 to 5 mph.
Friday
Sunny, with a high near 77. Southwest wind 7 to 15 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 55. South wind 5 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, mainly before 2pm. Cloudy, with a high near 63. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 48. Light southwest wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Logan NY
 42.48°N 76.83°W (Elev. 1358 ft)
Last Update:
11:00 pm EDT Sep 4, 2025
Forecast Valid:
12am EDT Sep 5, 2025-6pm EDT Sep 11, 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