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

47°F

8°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Last update 15 Apr 5:53 am EDT
Extended Forecast for

Sampson NY

  • Today

    Today: Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 75. Southeast wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 5am, then a chance of showers. Low around 61. 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: 61 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 64. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Friday Night

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

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 75. Southeast wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 5am, then a chance of showers. Low around 61. 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 before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 64. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
Sunday Night
A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 42. Breezy.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Mostly sunny, with a high near 58.
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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:
5:51 am EDT Apr 15, 2026
Forecast Valid:
6am 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