Weather in Seattle in August
In an average August, Seattle sees a daily high around 77°F and a low around 58°F, based on 1980–2026 of local climate records.
| Average high | 77°F |
|---|---|
| Typical high range | 69°F to 85°F |
| Average low | 58°F |
| Typical low range | 54°F to 62°F |
| Average daily precipitation | 0.00 in |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
96°F
1990-08-12
Lowest
61°F
1995-08-07
Low
Highest
69°F
1992-08-13
Lowest
45°F
1980-08-29
Feels-like
Highest
117°F
1981-08-09
Lowest
43°F
1980-08-29
Humidity
Highest
17.5 g/m³
1992-08-13
Lowest
8.5 g/m³
1980-08-29
Wind
Highest
23 mph
2015-08-29
Lowest
3 mph
2010-08-02
Gust
Highest
56 mph
2015-08-29
Lowest
9 mph
2004-08-30
Precip
Wettest
5.55 in
2004
Driest
0.16 in
2012
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