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St. Clair, Michigan Weather

St. Clair, Michigan — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for St. Clair, St. Clair 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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✈️ Aviation Weather

Flight conditions near St. Clair — 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 St. Clair 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 St. Clair, Michigan

St. Clair rests on the western bank of the St. Clair River, a wide, blue artery that separates Michigan from Ontario, Canada. It lies 10.8 miles south-south-west of Port Huron, MI (from Port Huron, MI: bearing 197°T), and is situated 9.6 miles south-south-east of Kimball. The land here is a gentle sweep of fertile soil, once marshy and wild, now a patchwork of fields and modest residential areas that slope towards the water. Ancient oaks and maples, their branches thick with the memory of countless seasons, stand sentinel along the riverfront, their leaves rustling with a sound like hushed secrets. In the soft light of late afternoon, the river itself seems to breathe, a slow, steady pulse reflecting the sky’s shifting moods, from a pale, washed-out blue to the deep, bruised purples of twilight. The history of St. Clair is inextricably linked to the river it calls home, a waterway that has been a highway for commerce and connection for centuries. Originally inhabited by Indigenous peoples, the area saw European settlement begin in the late 18th century, drawn by the promise of fertile land and the strategic importance of the river. For generations, St. Clair's economy was shaped by shipbuilding and lumber, industries that echoed with the clang of hammers and the scent of sawdust, leaving behind a legacy of sturdy craftsmanship. Today, while those industries have largely receded, the river remains central to St. Clair's identity, a source of recreation and a constant reminder of the town's enduring relationship with the water.

LocationSt. Clair, St. Clair County, Michigan
Coordinates42.820865°N, 82.486024°W
TimezoneEastern Time (America/Detroit)
ZIP Code(s)48079
Area Code313
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service