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.

Fog

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.80 in (1009.4 mb)
Dewpoint 41°F (5°C)
Visibility 0.50 mi
Last update 11 Mar 6:53 am EDT
Extended Forecast for

Sylvan Beach NY

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 68. South wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Tonight

    Tonight: Rain showers before 4am, then a chance of rain and snow showers between 4am and 5am, then a chance of rain showers after 5am. Some thunder is also possible. Low around 29. Southwest wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 29 °F

    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 35. West wind around 18 mph, with gusts as high as 29 mph.

    High: 35 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind 6 to 13 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 11am, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a high near 41. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: Rain and snow showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 40%.

    High: 50 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 68. South wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 4am, then a chance of rain and snow showers between 4am and 5am, then a chance of rain showers after 5am. Some thunder is also possible. Low around 29. Southwest wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Mostly cloudy, with a high near 35. West wind around 18 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind 6 to 13 mph.
Friday
A chance of snow showers before 11am, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a high near 41. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 34.
Saturday Night
A chance of snow after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Sunday
A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 40%.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.
Monday
Rain and snow likely. Mostly cloudy, with a high near 47. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sylvan Beach NY
 42.46°N 77.1°W (Elev. 1165 ft)
Last Update:
4:57 am EDT Mar 11, 2026
Forecast Valid:
7am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation