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.

Fair

34°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.20 in (1023.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 4 Mar 6:53 pm EST
Extended Forecast for

Sylvan Beach NY

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 37. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain likely, mainly after 2pm. Patchy fog before noon. Otherwise, cloudy, with a high near 40. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain. Low around 39. East wind 6 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 53. South wind around 9 mph.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 45. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 1pm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Slight Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain, mainly after 4am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 37. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 2pm. Patchy fog before noon. Otherwise, cloudy, with a high near 40. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 39. East wind 6 to 9 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 53. South wind around 9 mph.
Friday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 45. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
Showers, mainly after 1pm. High near 66. Chance of precipitation is 80%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
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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:
6:12 pm EST Mar 4, 2026
Forecast Valid:
7pm EST Mar 4, 2026-6pm EDT Mar 11, 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