Weather forecast for: East Setauket NY
Last Update: 7:01 am EDT Sep 19, 2026
Today: Partly sunny, with a high near 70. Northeast wind 8 to 11 mph.
Tonight: Increasing clouds, with a low around 56. Southeast wind around 7 mph.
Sunday: Rain, with thunderstorms also possible after 5pm. High near 70. Southeast wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night: Rain and possibly a thunderstorm. Low around 57. South wind 6 to 10 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday: A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 68. Northeast wind 10 to 15 mph.
Monday Night: Mostly cloudy, with a low around 55.
Tuesday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 65.
Tuesday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 54. Breezy.
Wednesday: Mostly cloudy, with a high near 66. Breezy.
Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 54. Breezy.
Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 65. Breezy.
Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54. Breezy.
Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 66. Breezy.