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.

Fog

58°F

14°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 58°F (14°C)
Visibility 0.50 mi
Last update 30 Sep 12:53 am EDT
Extended Forecast for

Sampson NY

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 55. Light south wind.

    Low: 55 °F

    Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 75. Southwest wind 3 to 5 mph.

    High: 75 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63. South wind 3 to 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly before 11am. Mostly cloudy, with a high near 76. South wind around 8 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 55. Light south wind.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 75. Southwest wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 63. South wind 3 to 6 mph.
Thursday
A chance of showers, mainly before 11am. Mostly cloudy, with a high near 76. South wind around 8 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.
Friday
Showers, mainly after 8am. High near 73. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 57.
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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:
1:16 am EDT Sep 30, 2026
Forecast Valid:
1am EDT Sep 30, 2026-6pm EDT Oct 6, 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