Oregon weather in May
The state broadly agrees with itself in May: afternoons run 69° in Portland and 66° in Bend, 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 69°, nights around 49°, and 2.5 in of rain in a typical May.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Portland | 69° / 49° | 7 | Roses arrive early and the patios fill on faith. |
Central Oregon
Highs near 66°, nights around 37°, and 1.0 in of rain in a typical May.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Bend | 66° / 37° | 3 | Rivers loud, trails open, mornings still nipping at you. |
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.