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

45°F

7°C

Humidity 52%
Wind Speed W 6 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Mar 2:53 pm EDT
Extended Forecast for

Sampson NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 43. Southwest wind around 7 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly between 11am and noon, then rain after noon. High near 50. South wind 9 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 8pm. Cloudy, with a low around 34. Northwest wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain
    then Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Northwest wind 6 to 8 mph.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of showers before 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 8am. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow
    then Partly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 43. Southwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.
Friday
Showers likely, mainly between 11am and noon, then rain after noon. High near 50. South wind 9 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 8pm. Cloudy, with a low around 34. Northwest wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 46. Northwest wind 6 to 8 mph.
Saturday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Sunday
A chance of showers before 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Sunday Night
Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
A chance of rain and snow before 8am. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 41.
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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:
2:30 pm EDT Mar 19, 2026
Forecast Valid:
3pm EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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