Pack or skip
Winter coat for Seattle in August
Verdict
Skip it
Lows stay near 57°F — a coat is overkill.
Why
Seattle in August averages highs of 76°F, lows of 57°F, 5 rainy days.
That climate means a winter coat isn't pulling its weight. Lows stay near 57°F — a coat is overkill.
What to bring instead
Consider packable down jacket instead →
See the pack-or-skip verdict for packable down jacket in Seattle in August.