In August, Seattle averages a high of 77°F (25°C) and a low of 57°F (14°C). Most runs feel like about 67°F (19°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Cool, damp, and rarely extreme — Seattle is all about staying dry without overheating.
77°F (25°C)
57°F (14°C)
Feels like 67°F (19°C)
Almost any time works this month. Early mornings are coolest if you prefer to avoid the 77°F (25°C) afternoon high.
Singlet or Tank
Maximum breathability for hot conditions
Running Shorts
Lightweight with built-in brief
Running Shoes
Your regular training shoes
$85
$50
$349
$17
$16
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In August, Seattle runs feel like about 67°F (19°C). A short or long-sleeve tech shirt with shorts or light tights is ideal. Carry a packable layer if it is windy.
August is some of the best running weather of the year in Seattle, with average highs near 77°F (25°C) and lows near 57°F (14°C).
Shorts are the standard in Seattle in August. At feels-like 67°F (19°C) tights will leave you overheating.
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