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.
Flight conditions near St. Clair — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…
Live animated radar for St. Clair and surroundings — RainViewer.
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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.
| Location | St. Clair, St. Clair County, Michigan |
| Coordinates | 42.820865°N, 82.486024°W |
| Timezone | Eastern Time (America/Detroit) |
| ZIP Code(s) | 48079 |
| Area Code | 313 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |