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

35°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 30.01 in (1017.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 Mar 12:53 pm EDT
Extended Forecast for

Sampson NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. North wind around 6 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain and snow showers before 8pm, then a chance of drizzle after 2am. Cloudy, with a low around 38. East wind 5 to 13 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Drizzle

  • Sunday

    Sunday: Drizzle before 2pm, then showers, mainly between 2pm and 5pm. High near 56. South wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am, then a slight chance of drizzle, snow showers, and freezing rain after 2am. Cloudy, with a low around 30. North wind around 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Wintry
    Mix

  • Monday

    Monday: Mostly cloudy, with a high near 36. Northwest wind around 14 mph.

    High: 36 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of snow showers. Partly cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. North wind around 6 mph.
Tonight
A slight chance of rain and snow showers before 8pm, then a chance of drizzle after 2am. Cloudy, with a low around 38. East wind 5 to 13 mph. Chance of precipitation is 20%.
Sunday
Drizzle before 2pm, then showers, mainly between 2pm and 5pm. High near 56. South wind 8 to 11 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am, then a slight chance of drizzle, snow showers, and freezing rain after 2am. Cloudy, with a low around 30. North wind around 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 36. Northwest wind around 14 mph.
Monday Night
A slight chance of snow showers. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
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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:
12:41 pm EDT Mar 21, 2026
Forecast Valid:
1pm EDT Mar 21, 2026-6pm EDT Mar 27, 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