Weather WorldSt Clair County, MI Weather Forecast
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St Clair County Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | |  |  |  |  | | | |
| Chance of Rain | Chance of Rain | Chance of Rain | Rain | Chance of Rain | Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 30°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 31°FLo: -1°C |
| POP: 40% | POP: 60% | POP: 70% | POP: 80% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 330 AM EST Thu Nov 05 2026 
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Issued: 616 AM EST Thu Nov 5 2026
Key Messages
- Briefly drier to start today before scattered showers return late today and persist into Friday.
- Temperatures will feel much cooler as highs return to average for early November.
- Drier weather and above normal temperatures favored for the first part of next week.
Aviation
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An upper level low pressure system will move across the region over the next 24 hours. This will maintain a high coverage of lower cloud, with some fluctuation of cloud based between lower VFR and high MVFR likely ...