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.

Mostly Cloudy

36°F

2°C

Humidity 50%
Wind Speed NW 9 G 20 mph
Barometer 30.27 in (1026.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Apr 4:53 pm EDT
Extended Forecast for

Sampson NY

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. South wind 6 to 9 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 45. South wind around 10 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight 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.

    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

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Partly sunny, with a high near 51. South wind 6 to 9 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 45. South wind around 10 mph. Chance of precipitation is 20%.
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.
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. 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:
4:39 pm EDT Apr 20, 2026
Forecast Valid:
5pm EDT Apr 20, 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