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City of Saint Clair, MISt. Clair, MI Weather Forecast
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St. Clair Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | |  | |  |  | |  | |
| Mostly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Partly Cloudy | Mostly Cloudy | Rain | Chance of Rain | Chance of Rain | Mostly Cloudy | Chance of Rain | Chance of Rain |
| Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C |
| POP: 30% | POP: 60% | POP: 60% | POP: 50% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 338 AM EST Sun Nov 01 2026 
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Issued: 453 AM EST Sun Nov 1 2026
Key Messages
- Mild and mostly cloudy through early next week.
- Warmer on Tuesday with an increasing chance of rain mid-week.
Aviation
...
Elevated moisture transport maintains VFR mid-cloud (7-10kft) today. Influence of surface high pressure however keeps the area dry and only light east-southeasst winds.
.DTW THRESHOLD PROBABILITIES...- None.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... MI...None. Lake Huron...None. Lake St Clair...None. Michigan waters of Lake Erie...None.