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.

Overcast

35°F

2°C

Humidity 78%
Wind Speed Calm
Barometer 29.93 in (1014.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 15 Nov 1:53 am EST
Extended Forecast for

Sampson NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 55. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Mostly Cloudy
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 40. Breezy, with a south wind 14 to 21 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of rain showers before 1pm, then a chance of snow showers. Mostly cloudy, with a high near 43. Breezy, with a west wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 43 °F

    Breezy.
    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow showers likely. Mostly cloudy, with a low around 32. Breezy, with a west wind 20 to 22 mph. Chance of precipitation is 70%.

    Low: 32 °F

    Snow Showers
    Likely and
    Breezy

  • Monday

    Monday: A chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 50%.

    High: 38 °F

    Breezy.
    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Monday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Calm wind.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 55. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 40. Breezy, with a south wind 14 to 21 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of rain showers before 1pm, then a chance of snow showers. Mostly cloudy, with a high near 43. Breezy, with a west wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 32. Breezy, with a west wind 20 to 22 mph. Chance of precipitation is 70%.
Monday
A chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
Showers likely. Cloudy, with a high near 50. Chance of precipitation is 60%.
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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:
1:48 am EST Nov 15, 2025
Forecast Valid:
2am EST Nov 15, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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