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

28°F

-2°C

Humidity 85%
Wind Speed Calm
Barometer 29.94 in (1015.1 mb)
Dewpoint 24°F (-4°C)
Visibility 5.00 mi
Last update 15 Feb 9:53 pm EST
Extended Forecast for

Sampson NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South wind around 7 mph.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 43. South wind around 6 mph.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 3 to 6 mph.

    High: 43 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 42. Chance of precipitation is 90%.

    High: 42 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. South wind around 7 mph.
Washington's Birthday
Mostly cloudy, with a high near 43. South wind around 6 mph.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 3 to 6 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 20%.
Wednesday
Rain. High near 42. Chance of precipitation is 90%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Thursday
Mostly cloudy, with a high near 42.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 33. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sampson NY
 42.73°N 76.9°W (Elev. 525 ft)
Last Update:
5:38 pm EST Feb 15, 2026
Forecast Valid:
10pm EST Feb 15, 2026-6pm EST Feb 22, 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