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Sump Lake, WI 7-Day Weather Forecast
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Sump Lake Weather Forecast
Sump Lake, WI Weather Forecast Date: 248 PM CDT Sat Aug 29 2026
Weather forecast for Sump Lake, WI
Afternoon Hi: 66°FHi: 19°C Lo: 61°F Lo: 16°C |
Rest Of The Afternoon... Showers. Temperatures in the mid 60s to lower 70s. South wind 5 to 10 mph. |
Sun Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Sunday... Humid. Mostly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of rain 20%. |
Mon Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Monday... Humid. Partly sunny. Highs in the middle 80s. South wind 5 to 10 mph shifting to the southwest in the afternoon. |
| Tue Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Tuesday... Partly sunny. Highs in the middle 80s. |
Wed Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Wednesday... Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 30%. |
Thu Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Thursday... Partly cloudy. Lows in the upper 50s. Highs around 80. |
| Fri Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Partly cloudy. Highs in the lower 80s. |
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