August weather in Portland OR, United States
Averages from 155 days in August across 2020–2024.
Typical conditions
| Average high | 29.2°C |
|---|---|
| Average low | 15.3°C |
| Average mean | 21.5°C |
| Total precipitation | 65.8 mm |
| Rainy days | 33 |
| Average precipitation hours | 1 h |
| Average max wind speed | 15.9 km/h |
| Average sunshine | 11.9 h/day |
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