Pack or skip
Packable down jacket for Milwaukee in January
Verdict
Pack it
Lows around 14°F — the packable puffer covers 90% of layering needs.
Why
Milwaukee in January averages highs of 28°F, lows of 14°F, 11 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 14°F — the packable puffer covers 90% of layering needs.