Posen, MI Weather Forecast
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Posen Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Patchy Fog | Chance of Showers | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C |
| POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 413 PM EDT Wed Sep 30 2026 

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Issued: 329 PM EDT Wed Sep 30 2026
Key Messages
- Areas of fog tonight into early Thursday morning
- Times of light to moderate rain early Thursday morning will last through Thursday afternoon, less rain for eastern upper
- Brief chances for light rain this weekend, with a general trend of cooler temperatures into next week
- Frost potential early Saturday morning, better chances for widespread frost early next week
Discussion
... Issued at 301 PM EDT Wed Sep 30 2026
The first wave of precipitation is moving through northern MI today, droppi...
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