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.

Fair

49°F

9°C

Humidity 80%
Wind Speed S 6 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 Apr 11:53 pm EDT
Extended Forecast for

Sampson NY

  • Overnight

    Overnight: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. North wind 5 to 8 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. North wind 3 to 5 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 50%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Calm wind.
Thursday
Sunny, with a high near 59. North wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 40. Calm wind.
Friday
Mostly sunny, with a high near 56. North wind 3 to 5 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 50%.
Saturday
Showers, mainly after 8am. High near 48. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
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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:
11:37 pm EDT Apr 22, 2026
Forecast Valid:
12am EDT Apr 23, 2026-6pm EDT Apr 29, 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