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.

A Few Clouds

41°F

5°C

Humidity 49%
Wind Speed S 20 G 35 mph
Barometer 29.51 in (1000.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 6:53 pm EST
Extended Forecast for

Sampson NY

  • Tonight

    Tonight: A chance of rain, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 40. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 4pm. Cloudy, with a high near 44. South wind 7 to 11 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 16. Northwest wind 8 to 16 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 16 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 18. Wind chill values as low as zero. West wind 16 to 18 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 13. West wind 10 to 14 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 40. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain, mainly after 4pm. Cloudy, with a high near 44. South wind 7 to 11 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 16. Northwest wind 8 to 16 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Thursday
A chance of snow. Mostly cloudy, with a high near 18. Wind chill values as low as zero. West wind 16 to 18 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 13. West wind 10 to 14 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly cloudy, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 16.
M.L.King Day
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 17.
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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:
3:23 pm EST Jan 13, 2026
Forecast Valid:
7pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation