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.

Overcast

50°F

10°C

Humidity 89%
Wind Speed SE 9 mph
Barometer 30.18 in (1022.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 2 Apr 5:53 pm EDT
Extended Forecast for

Sylvan Beach NY

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 46. Breezy, with a south wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 72. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 42. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers after 11pm. Low around 51. South wind 13 to 15 mph. Chance of precipitation is 90%.

    Low: 51 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 46. Breezy, with a south wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 72. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 42. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, then showers after 11pm. Low around 51. South wind 13 to 15 mph. Chance of precipitation is 90%.
Sunday
Showers, mainly before 8am. High near 53. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
A chance of snow showers between 8am and 2pm. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sylvan Beach NY
 42.46°N 77.1°W (Elev. 1165 ft)
Last Update:
3:23 pm EDT Apr 2, 2026
Forecast Valid:
6pm EDT Apr 2, 2026-6pm EDT Apr 9, 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