Custer, WI Weather Forecast
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Custer Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Clearing | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Chance of Showers |
| Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 55°FHi: 13°C Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C Lo: 45°FLo: 7°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C |
| POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 954 AM CDT Fri Oct 23 2026 

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Issued: 619 AM CDT Fri Oct 23 2026
Key Messages
- Dense fog into early Friday morning. Dense Fog Advisory until 9 AM Friday much of northeast and east-central Wisconsin.
- Staying mild into the weekend, with high temperatures inland of Lake Michigan warming into the mid 60s to low 70s.
- Rain chances (20-40%) Saturday night over northern WI, and late Monday into Tuesday over central WI.
- Cooler start to next week, with highs mainly in the 50s.
Discussion
... Issued at 1055 PM CDT Thu Oct 22 2026
Dense fog into early Friday morning...Lingeri...
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