National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fog

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in (1025.1 mb)
Dewpoint 34°F (1°C)
Visibility 0.25 mi
Last update 4 Mar 5:53 am EST
Extended Forecast for

Sampson NY

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 47. Calm wind.

    High: 47 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 33. South wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 45. East wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 42. Southeast wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 51. South wind around 9 mph.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 1pm. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 47. Calm wind.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 33. South wind 3 to 5 mph.
Thursday
Rain likely, mainly after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 45. East wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 42. Southeast wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 51. South wind around 9 mph.
Friday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Saturday
Showers, mainly after 1pm. High near 69. Chance of precipitation is 80%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
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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:
5:58 am EST Mar 4, 2026
Forecast Valid:
6am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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