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South Valley Stream, New York Weather

South Valley Stream, New York — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for South Valley Stream, Nassau 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 South Valley Stream. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near South Valley Stream — 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 South Valley Stream 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 South Valley Stream, New York

South Valley Stream exists as a verdant expanse where the gentle undulations of the land meet the steady hum of suburban life. The air here often carries a subtle, humid sweetness, a product of the nearby Atlantic and the dense foliage that clothes the landscape. Mature oaks and maples, their branches reaching like ancient supplicants, create canopies that filter the sunlight into shifting patterns on the sidewalks and manicured lawns. Rainfall, frequent and often dramatic, saturates the soil, lending a deep, earthy scent to the atmosphere after a storm, and feeding the many small streams that give the locality its name, their waters a murky, reflective mirror to the sky. The terrain, while not dramatically varied, possesses a quiet, grounded character, a place where one can sense the steady, reassuring pulse of nature beneath the pavement. The history of South Valley Stream is a narrative of evolving aspirations, from its early agricultural roots to its present status as a well-established residential hub. The very streams that traverse its terrain were once vital to the early settlers, powering small mills and providing water for crops that sustained a nascent economy. Over time, as Long Island transformed, so too did South Valley Stream, its fields giving way to homes and businesses, its economy shifting from the land to the service sector and local commerce. The area has long been a desirable address, drawing families seeking a blend of accessibility to the city and a more tranquil, rooted existence. While no singular grand monument defines its character, the collective memory of its development, the quiet resilience of its neighborhoods, and the enduring presence of its natural waterways form a distinctive local identity.

LocationSouth Valley Stream, Nassau County, New York
Coordinates40.655937°N, 73.717632°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)11581
Area Code516
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service