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.

Overcast

57°F

14°C

Humidity 96%
Wind Speed Vrbl 5 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 7:53 pm EDT
Extended Forecast for

Sylvan Beach NY

Flood Watch March 31, 08:29pm until April 1, 08:00pm
Severe T-storm Watch until March 31, 09:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch March 31, 08:29pm until April 1, 08:00pm
    Severe T-storm Watch until March 31, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 44 °F

    Severe
    Thunderstorms
    then Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 44 by 11am. Northwest wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F⇓

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 35. North wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 60. South wind 5 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 51. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe. Low around 44. Southwest wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 44 by 11am. Northwest wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 35. North wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Mostly cloudy, with a high near 60. South wind 5 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 51. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Saturday
A chance of rain after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Saturday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 51.
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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 Mar 31, 2026
Forecast Valid:
8pm EDT Mar 31, 2026-6pm EDT Apr 7, 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