Pack or skip
Packable down jacket for Michigan City in May
Verdict
Pack it
Lows around 49°F — the packable puffer covers 90% of layering needs.
Why
Michigan City in May averages highs of 68°F, lows of 49°F, 9 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 49°F — the packable puffer covers 90% of layering needs.