What to Wear in Seattle in August
Best month, sunny and warm. Expect 14°–25°C with 4 rainy days on average.
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High
25°C
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Low
14°C
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Rain days
4
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Feel
Mild & Comfortable
Typical outfit
~20°C average
About August in Seattle
August in Seattle typically brings best month, sunny and warm. With averages of 14°–25°C, the conditions call for ideal sightseeing weather! layer smartly — mornings and evenings will be cooler.
Mornings feel cool but afternoons can warm up significantly. A trench or jacket over a lighter outfit is ideal.
August in other cities