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Port Jefferson, New York Weather

Port Jefferson, New York — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Port Jefferson, Suffolk County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Port Jefferson. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near Port Jefferson — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Port Jefferson and surroundings — RainViewer.

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🛰️ 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
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About Port Jefferson, New York

Port Jefferson breathes the salty tang of the Long Island Sound, its harbor a gentle curve against the northern shore. It lies 6.3 miles north-north-east of Centereach, NY (from Centereach, NY: bearing 15°T), and is situated 9.3 miles north-east of Smithtown. Rolling hills, softened by centuries of wind and weather, give way to the bustling waterfront, where weathered pilings stand sentinel over the water. The air here hums with a unique coastal melody – the cry of gulls, the distant thrum of ferries, the murmur of conversations drifting from open doorways. Sunlight, especially in the late afternoon, spills across the water in shimmering ribbons, catching the sails of pleasure craft and glinting off the polished brass of the harbor master's office. This is a place where history is not just remembered but felt in the very cobblestones beneath your feet. Once a vital hub for shipbuilding and whaling, Port Jefferson’s maritime legacy still echoes in its narrow, winding streets and the sturdy architecture that lines the waterfront. Today, the local economy thrives on a blend of tourism, ferry services connecting to Connecticut, and a vibrant array of shops and restaurants that draw visitors and residents alike. The Stony Brook University campus, a short drive inland, injects a youthful energy, while the charming village green remains the heart of community gatherings, a testament to Port Jefferson's enduring spirit.

LocationPort Jefferson, Suffolk County, New York
Coordinates40.946488°N, 73.069273°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)11777
Area Code516
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service