Pack or skip
Packable down jacket for Louisville in January
Verdict
Pack it
Lows around 27°F — the packable puffer covers 90% of layering needs.
Why
Louisville in January averages highs of 42°F, lows of 27°F, 11 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 27°F — the packable puffer covers 90% of layering needs.