Milwaukee, Wisconsin weather in April

Averages from 2021–2025 (150 days of record).

Average high: 55°F
Average low: 38°F
Rainy days: ~12 per month
Total precipitation: 3.8 in
Warmest recorded: 80°F
Coldest recorded: 22°F

Expect April days in Milwaukee, Wisconsin to top out around 55°F and cool to about 38°F overnight, with roughly 12 days of measurable rain across the month. In recent years April has ranged from 22°F to 80°F.

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Current Milwaukee, Wisconsin forecast → · Historical data by Open-Meteo (ERA5).