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Cos Cob, Connecticut Weather

Cos Cob, Connecticut — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Cos Cob, Western Connecticut (Fairfield County) 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 Cos Cob. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Cos Cob. Data source: locating…

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🌿 Air Quality
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About Cos Cob, Connecticut

Cos Cob lies at the confluence of placid waterways, where the gentle push of Greenwich Cove meets the broader sweep of Long Island Sound. It lies 3.5 miles west-south-west of Stamford, CT (from Stamford, CT: bearing 246°T), and is situated 8.5 miles east of White Plains. The land here, a soft undulation of well-tended lawns and mature trees, often catches the late afternoon sun in a way that softens edges and deepens the emerald hue of summer foliage. The air, carrying the faint, briny tang of the nearby coast, often hums with the distant, almost musical thrum of boat engines, a constant reminder of the maritime embrace that defines this corner of Fairfield County. Here, the architecture ranges from the stately colonial to more modern, understated residences, all contributing to a sense of established comfort and a quiet, well-ordered existence, where the changing seasons paint the landscape in broad, deliberate strokes. The history of Cos Cob is intricately tied to its connection with the water, once a bustling port for coastal trade and fishing fleets that lent the area its very name, derived from an Algonquian word for “a point of land.” This maritime past underpins its present-day character, a place that cherishes its heritage while embracing the sophisticated economic currents of the greater metropolitan region. Though no longer a hub of heavy industry, its local economy thrives on a blend of service-oriented businesses and the affluent residential base that finds its allure in Cos Cob's blend of natural beauty and accessible sophistication. The presence of the historic Greenwich Railroad Station, a vital link to the city, speaks to this enduring connectivity, a quiet testament to the enduring appeal of this picturesque locale.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Cos Cob 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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LocationCos Cob, Western Connecticut (Fairfield County) County, Connecticut
Coordinates41.03343°N, 73.59957°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)06807
Area Code203, 475, 860, 959
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Cos Cob, Connecticut Weather Page

This page provides live weather conditions and forecasts for Cos Cob, Connecticut, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Cos Cob includes coordinates 41.033430°N, 73.599570°W, situated in Western Connecticut (Fairfield County) County. ZIP code 06807. Telephone area code: 203, 475, 860, 959. Timezone: Eastern Time (America/New_York).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.