Oregon weather by month
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.
Based on 2 weather stations.
The year across Oregon
| Month | Highs | Nights | Wet days |
|---|---|---|---|
| January | 43–48° | 25–36° | 4–12 |
| February | 46–52° | 24–37° | 3–9 |
| March | 52–57° | 28–40° | 2–11 |
| April | 58–62° | 31–44° | 2–9 |
| May | 66–69° | 37–49° | 3–7 |
| June | 74° | 42–54° | 2–5 |
| July | 82–84° | 49–59° | 1–2 |
| August | 82–83° | 48–59° | 1–2 |
| September | 76–77° | 41–54° | 1–4 |
| October | 63–64° | 34–47° | 2–8 |
| November | 49–54° | 28–41° | 1–12 |
| December | 41–47° | 23–36° | 4–13 |
A single row can hide a real spread — open a month to see it region by region.
Portland & the Willamette Valley
- Portland Nine months of soft gray rain wrapped around one of the driest, sunniest summers in the country.
Central Oregon
- Bend High-desert sun on nearly every day of the year, wrapped around nights that stay cold no matter what the afternoon got up to.