Pack or skip
Winter coat for Milwaukee in March
Verdict
Pack it
Average lows dip to 27°F — a real winter coat, not a jacket.
Why
Milwaukee in March averages highs of 43°F, lows of 27°F, 11 rainy days.
That climate means a winter coat earns its space in the bag. Average lows dip to 27°F — a real winter coat, not a jacket.