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City of Green Lake, WIGreen Lake, WI Weather Forecast
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Green Lake Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Partly Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 30% | POP: 70% | POP: 50% | POP: 60% | POP: 20% | POP: 40% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 AM CDT Thu Aug 27 2026 
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Issued: 542 AM CDT Thu Aug 27 2026
Key Messages
- Areas of fog in the WI River Valley and other low lying areas of south central WI for early this AM and early Fri AM.
- Trending active this weekend into early next week, with multiple periods of showers and storms forecast.
- Small Craft Advisory-criteria conditions return to the nearshore waters Saturday afternoon through Sunday. A Beach Hazard Statement may also be needed this weekend.
Aviation
... Issued 542 AM CDT Thu Aug 27 2026
Expect diurnal cumulus clouds with bases around 5000 ft ...