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City of Green Bay, WIGreen Bay, WI Weather Forecast
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Green Bay Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT |
 |  |  |  | | | |  |  |  |  |  |
| Chance of T-Storm | Chance of T-Storm | Clear | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Partly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 60% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 613 PM CDT Tue Aug 25 2026 
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Issued: 642 PM CDT Tue Aug 25 2026
Key Messages
- Marginal Risk (Level 1 of 5) for severe storms across portions of central and north-central WI through this evening.
- Scattered showers and thunderstorms (40-60%) are expected late this afternoon and tonight. The highest chances of rain arrives across east-central WI after midnight.
- Gusty south/southwest winds will generate hazardous conditions for small craft and dangerous swimming conditions along Lake Michigan this evening through Wednesday morning.
- Scattered thunderstorms are also...