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Brillion, WI 7-Day Night Weather Forecast
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Brillion, WI Weather Forecast
Brillion, WI Weather Forecast Date: 1004 PM CDT Thu Oct 22 2026
The area/counties/county of: Calumet, including the cities of: Chilton, Brillion, and New Holstein.or toggle through each period.
Tonight... Partly cloudy in the evening then becoming mostly cloudy. Areas of fog. Nearly steady temperature in the lower 50s. Southeast wind 5 to 10 mph.
Friday... Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the upper 60s. South wind 5 to 10 mph.
Friday Night... Partly cloudy. Lows in the middle 50s. South wind 5 to 10 mph.
Saturday... Partly sunny. Highs in the upper 60s. South wind 10 to 15 mph.
Saturday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle 50s. South wind 10 to 15 mph.
Sunday... Mostly cloudy. Highs in the upper 60s. Lows around 50.
Sunday Night... Mostly cloudy. Highs in the upper 60s. Lows around 50.
Monday... Mostly cloudy. Highs in the middle 50s. Lows in the middle 40s.
Tuesday... Mostly cloudy. Highs in the middle 50s. Lows in the middle 40s.
Wednesday... Partly cloudy. Highs in the lower 60s.
Wednesday Night... Mostly cloudy with a 30% chance of showers. Lows in the upper 40s.
POP = Probability of Precipitation
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