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

71°F

22°C

Humidity 36%
Wind Speed SW 15 G 25 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 11:53 am EDT
Extended Forecast for

Sylvan Beach NY

  • This Afternoon

    This Afternoon: Scattered rain before 4pm, then scattered showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 69. Southwest wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then scattered showers between 9pm and 11pm. Mostly cloudy, with a low around 34. Northwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Northwest wind around 10 mph.

    High: 49 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 57. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 57 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then a chance of sprinkles after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers or sprinkles before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered rain before 4pm, then scattered showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 69. Southwest wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then scattered showers between 9pm and 11pm. Mostly cloudy, with a low around 34. Northwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Northwest wind around 10 mph.
Saturday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 57. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 8pm, then a chance of sprinkles after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Monday
A chance of showers or sprinkles before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 71.
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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:
2:30 am EDT Apr 10, 2026
Forecast Valid:
12pm EDT Apr 10, 2026-6pm EDT Apr 16, 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