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.

Mostly Cloudy

81°F

27°C

Humidity 62%
Wind Speed W 9 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Sep 1:53 pm EDT
Extended Forecast for

Sylvan Beach NY

  • This Afternoon

    This Afternoon: A chance of thunderstorms, mainly after 5pm. Partly sunny, with a high near 79. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northwest wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradual clearing during the afternoon, with a high near 63. North wind 8 to 11 mph.

    High: 63 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. South wind 6 to 14 mph.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 8am. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of thunderstorms, mainly after 5pm. Partly sunny, with a high near 79. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northwest wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, then gradual clearing during the afternoon, with a high near 63. North wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 44. Light and variable wind.
Tuesday
Mostly sunny, with a high near 71. South wind 6 to 14 mph.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Wednesday
A chance of showers after 8am. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
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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:
2:07 pm EDT Sep 13, 2026
Forecast Valid:
2pm EDT Sep 13, 2026-6pm EDT Sep 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation