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St. Augustine Lake, MI Weather Forecast
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St. Augustine Lake Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | |  |  | | | | | | |
| Sunny | Partly Cloudy | Rain Showers | Rain Showers | Clearing | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 30°FLo: -1°C | Hi: 58°FHi: 14°C | Lo: 42°FLo: 6°C | Hi: 59°FHi: 15°C | Lo: 32°FLo: 0°C | Hi: 57°FHi: 14°C | Lo: 34°FLo: 1°C | Hi: 68°FHi: 20°C Lo: 43°FLo: 6°C | Hi: 68°FHi: 20°C Lo: 43°FLo: 6°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | |
| POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 131 PM CDT Fri Oct 02 2026 
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Issued: 212 PM EDT Fri Oct 2 2026
Key Messages
- High temperatures come in near seasonal (mid 50s to mid 60s) through the weekend.
- A widespread freeze is expected across the area tonight into Saturday morning. Most areas inland from the Great Lakes will be below freezing (the exception Keweenaw County). The interior west could reach into the lower 20s. A Freeze Warning is in effect for most of the Upper Peninsula.
- A Clipper low passing through the region this weekend brings additional light rain chances late Saturday into early Sun...