| NWS Forecast for: Saint Clair MI Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 4:24 pm EDT Aug 17, 2026 |  |
| Tonight: Mostly clear, with a low around 14. North northeast wind 5 to 8 km/h becoming calm in the evening. Tuesday: Increasing clouds, with a high near 29. Light southwest wind increasing to 6 to 11 km/h in the morning. Tuesday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 17. South wind 8 to 11 km/h becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between 1 and 2.5 mm possible. Wednesday: Showers likely, mainly before 7am. Mostly cloudy through mid morning, then becoming sunny, with a high near 26. Northwest wind 8 to 11 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible. Wednesday Night: Partly cloudy, with a low around 13. Calm wind. Thursday: Sunny, with a high near 27. Thursday Night: Mostly clear, with a low around 13. Friday: Sunny, with a high near 28. Friday Night: Partly cloudy, with a low around 16. Saturday: Showers likely, mainly after 2pm. Mostly sunny, with a high near 27. Saturday Night: Showers likely. Mostly cloudy, with a low around 14. Sunday: A chance of showers. Mostly sunny, with a high near 24. Sunday Night: Partly cloudy, with a low around 13. Monday: Mostly sunny, with a high near 25. | |
| Saint Clair MI 42.82°N 82.48°W (Elev. 577 m) | |
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