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.

Overcast

26°F

-3°C

Humidity 66%
Wind Speed W 13 mph
Barometer 30.11 in (1021.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 4 Jan 7:53 pm EST
Extended Forecast for

Sampson NY

  • Tonight

    Tonight: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 21. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Monday

    Monday: Snow showers, mainly before noon. High near 32. South wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    High: 32 °F

    Snow Showers
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Cloudy, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Cloudy

  • Tuesday

    Tuesday: A chance of showers after 1pm. Cloudy, with a high near 41. South wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Cloudy then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Cloudy, with a low around 37. South wind around 11 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 21. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow showers, mainly before noon. High near 32. South wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Monday Night
Cloudy, with a low around 30. South wind around 7 mph.
Tuesday
A chance of showers after 1pm. Cloudy, with a high near 41. South wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly before 1am. Cloudy, with a low around 37. South wind around 11 mph becoming west after midnight. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 45.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, 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:
6:58 pm EST Jan 4, 2026
Forecast Valid:
8pm EST Jan 4, 2026-6pm EST Jan 11, 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