Pack or skip
Packable down jacket for Chicago in March
Verdict
Pack it
Lows around 31°F — the packable puffer covers 90% of layering needs.
Why
Chicago in March averages highs of 48°F, lows of 31°F, 11 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 31°F — the packable puffer covers 90% of layering needs.