Weather in Portland in August
In an average August, Portland sees a daily high around 84°F and a low around 57°F, based on 1980–2026 of local climate records.
| Average high | 84°F |
|---|---|
| Typical high range | 74°F to 95°F |
| Average low | 57°F |
| Typical low range | 52°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
106°F
2023-08-15
Lowest
64°F
1999-08-30
Low
Highest
72°F
2023-08-16
Lowest
43°F
1980-08-29
Feels-like
Highest
133°F
1981-08-11
Lowest
41°F
2000-08-28
Humidity
Highest
16.3 g/m³
2008-08-17
Lowest
6.3 g/m³
1992-08-25
Wind
Highest
19 mph
2015-08-29
Lowest
3 mph
1995-08-30
Gust
Highest
53 mph
2015-08-29
Lowest
9 mph
2023-08-31
Precip
Wettest
3.23 in
2004
Driest
0.03 in
2012
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