Oregon weather in January
The state broadly agrees with itself in January: afternoons run 48° in Portland and 43° 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 48°, nights around 36°, and 5.0 in of rain in a typical January.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Portland | 48° / 36° | 12 | 1.7 in | Steady drizzle, mild air, no drama unless the Gorge wind arrives. |
Central Oregon
Highs near 43°, nights around 25°, and 6.4 in of snow in a typical January.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Bend | 43° / 25° | 4 | 6.4 in | Snow falls in bursts between days of hard sunshine. |
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.