Pack or skip
Packable down jacket for Indianapolis in January
Verdict
Pack it
Lows around 21°F — the packable puffer covers 90% of layering needs.
Why
Indianapolis in January averages highs of 36°F, lows of 21°F, 10 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 21°F — the packable puffer covers 90% of layering needs.