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Town of Sullivan, WISullivan, WI 7-Day Weather Forecast
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Sullivan Weather Forecast
Sullivan, WI Weather Forecast Date: 1031 AM CDT Sat Sep 05 2026
Weather forecast for Sullivan, WI
Today Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Rest of Today... Partly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. |
Sun Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Sunday... Mostly sunny. Highs around 80. East winds up to 5 mph. |
| Labor Day Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Labor Day... Partly sunny. Highs around 80. Southeast winds up to 10 mph. |
| Tue Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Tuesday... Partly sunny. Highs in the mid 80s. |
| Wed Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Wednesday... Partly sunny. Highs in the lower 80s. |
| Thu Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Thursday... Partly sunny. Highs in the upper 70s. |
| Fri Hi: 81°FHi: 27°C |
Friday... Mostly sunny. Highs in the lower 80s. |
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