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Decker Lake Weather Forecast
| REST OF THE AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  | |  | |  |  | | |  |  | |
| Partly Cloudy | Mostly Clear | Partly Cloudy | Patchy Fog | Partly Cloudy | Partly Cloudy | Clear | Clear | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 63°FHi: 17°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C Lo: 35°FLo: 2°C |
| POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 348 PM CDT Wed Oct 07 2026 
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Issued: 557 PM CDT Wed Oct 7 2026
Key Messages
- Hazardous conditions to small craft will continue on Green Bay through 7 PM this evening.
- Patchy frost will be possible over far northern Wisconsin early Friday morning with low temperatures in the mid 30.
- Unseasonably warm and windy conditions arrive Saturday and Sunday with inland high temperatures into the upper 70s to lower 80s.
Discussion
... Issued at 1259 PM CDT Wed Oct 7 2026
Gusty Winds and Low Humidity This Afternoon: With clear skies, quickly warming surface temperatures this...