Weather forecast for: Mattituck NY
Last Update: 2:41 pm EDT Aug 12, 2026
Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 69. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 2pm, then a slight chance of showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Partly cloudy, with a low around 69. West wind 3 to 6 mph.
Friday: Sunny, with a high near 84. North wind 8 to 11 mph.
Friday Night: Partly cloudy, with a low around 64. Light and variable wind becoming north 5 to 7 mph after midnight.
Saturday: Sunny, with a high near 82.
Saturday Night: Mostly clear, with a low around 65.
Sunday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 79.
Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Monday Night: Partly cloudy, with a low around 67.
Tuesday: Sunny, with a high near 80.
Tuesday Night: Mostly clear, with a low around 67.
Wednesday: Sunny, with a high near 81.
WeatherWorld.com
