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.

Fog

33°F

1°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.03 in (1017.9 mb)
Dewpoint 33°F (1°C)
Visibility 0.25 mi
Wind Chill28°F (-2°C)
Last update 17 Feb 10:53 pm EST
Extended Forecast for

Sampson NY

Dense Fog Advisory until February 18, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 18, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Tonight

    Low: 33 °F

    Patchy Fog

  • Wednesday

    Wednesday: Showers, mainly before 1pm, then rain after 1pm. High near 39. East wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 39 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 31. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 41. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 41 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Mostly cloudy, with a low around 35. Southeast wind 6 to 11 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers. High near 44. Chance of precipitation is 90%.

    High: 44 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Wednesday
Showers, mainly before 1pm, then rain after 1pm. High near 39. East wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 31. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Mostly cloudy, with a high near 41. Light and variable wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 35. Southeast wind 6 to 11 mph. Chance of precipitation is 40%.
Friday
Showers. High near 44. Chance of precipitation is 90%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sampson NY
 42.73°N 76.9°W (Elev. 525 ft)
Last Update:
5:46 pm EST Feb 17, 2026
Forecast Valid:
11pm EST Feb 17, 2026-6pm EST Feb 24, 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