Enter your search query in the box below.

South Setauket, New York Weather

South Setauket, New York — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for South Setauket, Suffolk County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near South Setauket. Tide source:

Loading fishing conditions…
Loading tide data…
Loading tide chart…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Full aviation weather for South Setauket is published on the Long Island MacArthur Airport (KISP) page, 13 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of South Setauket have their own pages, listed below.

The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.

Other airports near South Setauket: Brookhaven Calabro Airport (KHWV) 22 km · Igor I Sikorsky Memorial Airport (KBDR) 28 km · Lufker Airport (K49N) 31 km · Republic Airport (KFRG) 33 km · Francis S Gabreski Airport (KFOK) 41 km

Conditions reported at KISP describe the airfield itself. Weather 13 km away can differ, particularly in terrain or near the coast. For conditions at South Setauket specifically, see the current conditions and forecast above.

🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for South Setauket.

Loading agricultural data…

About South Setauket, New York

South Setauket unfurls its gentle topography along the northern shores of Long Island, a landscape where the dense embrace of woodlands yields to the cool, salt-tinged breath of the nearby bays. It lies 3.8 miles north of Centereach, NY (from Centereach, NY: bearing 355°T), and is situated 6.4 miles north-east of Smithtown. Here, the land rises and falls with a quiet deliberation, its contours shaped by glacial retreat and the patient sculpting of wind and water, creating pockets of deep shade beneath mature oaks and maples that seem to hold their breath in the humid summer air. The very light, especially in the late afternoon, takes on a diffused, honeyed quality, filtering through the leaves and casting a soft benediction on the winding lanes and well-kept homes. The character of South Setauket is one of quiet grace, a place where the rhythm of life feels attuned to the ebb and flow of the tides, and the rustle of leaves is as much a part of its voice as the distant chime of a church bell. The history of South Setauket is deeply entwined with the agricultural bounty and maritime spirit of its past, a legacy still evident in the enduring farms that punctuate the landscape and the proximity to the shimmering waters of Port Jefferson Harbor and the Long Island Sound. Once a region where seafaring and cultivation were the lifeblood, its economy has gracefully transitioned, now supporting a blend of residential living and local businesses that cater to the needs of its residents, with a palpable sense of enduring community. Notable for its serene residential character and its access to natural beauty, South Setauket offers a peaceful haven, a place where the quiet hum of daily life is a constant, gentle reminder of its rootedness, and where the past whispers softly on the sea breeze.

NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for South Setauket and surroundings — RainViewer.

Loading radar…
🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
Calculating…
LocationSouth Setauket, Suffolk County, New York
Coordinates40.91371°N, 73.105664°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)11733, 11720
Area Code516
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This South Setauket, New York Weather Page

This page provides live weather conditions and forecasts for South Setauket, New York, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for South Setauket includes coordinates 40.913710°N, 73.105664°W, situated in Suffolk County. ZIP code 11733, 11720. Telephone area code: 516. Timezone: Eastern Time (America/New_York).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.