Pack or skip
Packable down jacket for Seattle in March
Verdict
Pack it
Lows around 40°F — the packable puffer covers 90% of layering needs.
Why
Seattle in March averages highs of 55°F, lows of 40°F, 14 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 40°F — the packable puffer covers 90% of layering needs.