Pack or skip
Beanie for Boston in March
Verdict
Pack it
Lows around 33°F — a beanie doubles the perceived warmth for zero grams.
Why
Boston in March averages highs of 48°F, lows of 33°F, 12 rainy days.
That climate means a beanie earns its space in the bag. Lows around 33°F — a beanie doubles the perceived warmth for zero grams.