Updated 2026-09-26 12:45 local time · ZIP codes 11787
Light rain shower
* WHAT...Northeast winds 30 to 40 kt with gusts up to 45 kt and seas 5 to 8 ft. * WHERE...Long Island Sound west of Port Jefferson and New Haven. * WHEN...Until 6 PM EDT Sunday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
58°54% rain58°64% rain57°67% rain57°49% rain56°58% rain
56°40% rain
57°38% rain
57°47% rain58°28% rain58°47% rain57°82% rain57°75% rainRain chance reaches about 82% over the next 12 hours.
It feels like 47°F with winds near 22 mph.
57°F, 38% rain chance and 22 mph wind.
Visibility is around 6 mi; gusts may reach 41 mph.
Current temperature is 58°F, wind 22 mph, rain chance up to 82%.
UV index is 0.
New York spans Atlantic coastal, inland valley, Great Lakes and mountain climates. Lake-effect snow, coastal storms and large upstate/downstate temperature differences are all common.
Smithtown is part of the Northeast weather region. The forecast point is near 40.86°N latitude and 73.20°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Light rain shower and 58°F in Smithtown, NY. Today's high is 61°F with a 88% rain chance. Winds are around 22 mph with gusts near 39 mph. Relative humidity is 90%, pressure is 29.78 inHg, and visibility is about 6 miles.
Sunrise is at 06:44 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Light rain shower with a high near 66°F and a low near 57°F. The maximum rain chance is 92%.
