Oregon weather in August
The state broadly agrees with itself in August: afternoons run 83° in Bend and 82° in Portland, with everywhere else in between.
Based on 2 weather stations. Two stations on opposite sides of the Cascades — Portland’s drizzle and Bend’s high-desert sun are the state’s two weather personalities, though the coast itself isn’t measured here.
Portland & the Willamette Valley
Highs near 82°, nights around 59°, and 0.5 in of rain in a typical August.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Portland | 82° / 59° | 2 | The hottest, driest stretch — shade and rivers do the work. |
Central Oregon
Highs near 83°, nights around 48°, and 0.3 in of rain in a typical August.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Bend | 83° / 48° | 1 | Busiest month of the year, with smoke as the wildcard. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.