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

26°F

-3°C

Humidity 84%
Wind Speed SW 3 mph
Barometer 30.31 in (1027.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 21 Apr 3:53 am EDT
Extended Forecast for

Sampson NY

  • Today

    Today: Increasing clouds, with a high near 51. South wind 5 to 9 mph.

    High: 51 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers, mainly after 9pm. Cloudy, with a low around 45. South wind 9 to 13 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. South wind around 6 mph becoming northwest in the afternoon.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. North wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Calm wind becoming north around 6 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 51. South wind 5 to 9 mph.
Tonight
A chance of showers, mainly after 9pm. Cloudy, with a low around 45. South wind 9 to 13 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 58. South wind around 6 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 39. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 59. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 63.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A chance of showers. Partly sunny, with a high near 62. 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:
2:08 am EDT Apr 21, 2026
Forecast Valid:
4am EDT Apr 21, 2026-6pm EDT Apr 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