National Weather Service Forecast for: Sylvan Beach NY
Issued by: National Weather Service Binghamton, NY
Updated: 2:57 pm EDT Jun 15, 2025


This Afternoon
 
Mostly cloudy, with a high near 68. Calm wind.
 
Tonight
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind.
 
Monday
 
A slight chance of showers after noon. Partly sunny, with a high near 72. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
 
Monday Night
 
Mostly cloudy, with a low around 60. Southeast wind around 6 mph.
 
Tuesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 70. South wind around 7 mph. Chance of precipitation is 30%.
 
Tuesday Night
 
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
 
Wednesday
 
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
 
Wednesday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
 
Juneteenth
 
Showers likely, then showers and possibly a thunderstorm after 8am. High near 75. Chance of precipitation is 80%.
 
Thursday Night
 
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
 
Friday
 
A chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
 
Friday Night
 
Partly cloudy, with a low around 56.
 
Saturday
 
Mostly sunny, with a high near 75.