Pack or skip
Beanie for Chicago in March
Verdict
Pack it
Lows around 31°F — a beanie doubles the perceived warmth for zero grams.
Why
Chicago in March averages highs of 48°F, lows of 31°F, 11 rainy days.
That climate means a beanie earns its space in the bag. Lows around 31°F — a beanie doubles the perceived warmth for zero grams.