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.

Fair

56°F

13°C

Humidity 81%
Wind Speed Calm
Barometer 29.94 in (1013.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 14 Apr 11:53 pm EDT
Extended Forecast for

Sampson NY

  • Overnight

    Overnight: Increasing clouds, with a low around 58. Light and variable wind.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. High near 75. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 62. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 75. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Overnight
Increasing clouds, with a low around 58. Light and variable wind.
Wednesday
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. High near 75. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 5am, then a chance of showers. Low around 62. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 75. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
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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:
12:24 am EDT Apr 15, 2026
Forecast Valid:
12am EDT Apr 15, 2026-6pm EDT Apr 21, 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