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Brillion, WI 7-Day Weather Forecast
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Brillion Weather Forecast
Brillion, WI Weather Forecast Date: 617 PM CDT Sun Sep 13 2026
Weather forecast for Brillion, WI
Tonight Lo: 45°F Lo: 7°C |
Tonight... Colder. Clear. Lows in the middle 40s. Northwest wind 5 to 10 mph in the evening becoming light and variable. |
Mon Hi: 71°FHi: 22°C Lo: 61°F Lo: 16°C |
Monday... Sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the lower 70s. Southeast wind 10 to 15 mph. Chance of rain 20%. |
Tue Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Tuesday... Breezy. Humid. Mostly cloudy. A 40% chance of showers in the morning. Highs in the middle 70s. Southwest wind 15 to 25 mph with gusts to around 35 mph shifting to the west 10 to 15 mph in the afternoon. |
Wed Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly cloudy. Highs in the upper 60s. |
| Thu Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Thursday... Partly sunny. Highs in the lower 70s. |
| Fri Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Friday... Partly sunny with a 40% chance of showers. Highs in the lower 70s. |
| Sat Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Saturday... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s. Highs in the lower 70s. |
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