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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: 930 PM CST Mon Mar 02 2026
Weather forecast for Sullivan, WI
Tonight Lo: 29°F Lo: -2°C |
Tonight... Partly cloudy until early morning, then cloudy with chance of light freezing rain, possibly mixed with snow and early in the morning. Lows in the upper 20s. Southeast winds up to 5 mph. Chance of precipitation 30%. |
Tue Hi: 45°FHi: 7°C Lo: 29°F Lo: -2°C |
Tuesday... Cloudy with chance of light freezing rain, possibly mixed with rain in the morning, then cloudy with slight chance of light rain late in the morning. Partly sunny in the afternoon. Highs in the mid 40s. Southeast winds up to 5 mph shifting to the north in the afternoon. Chance of precipitation 40%. |
Wed Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Wednesday... Mostly sunny with a 30% chance of light rain. Highs in the lower 50s. East winds up to 5 mph. |
| Thu Hi: 49°FHi: 9°C Lo: 39°F Lo: 4°C |
Thursday... Light rain likely. Highs in the upper 40s. Chance of rain 70%. |
Fri Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Friday... Rain. Not as cool. Highs in the lower 60s. Chance of rain 90%. |
| Sat Hi: 61°FHi: 16°C Lo: 35°F Lo: 2°C |
Saturday... Mostly cloudy. A 30% chance of light rain in the morning. Highs in the lower 60s. |
Sun Hi: 59°FHi: 15°C Lo: 40°F Lo: 4°C |
Sunday... Mostly sunny. Highs in the upper 50s. |
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