Portland Weather in October
United States · 30-year monthly averages
👍 Good time to visit
October in Portland is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 8°C (47°F). Expect roughly 87mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
Avg high
18°C
64°F
Avg low
8°C
47°F
Rainfall
87mm
moderate
Rainy days
10
days with ≥1mm
🎒 What to pack
- light jacket
- layers for cool evenings
October vs the rest of the year
FAQ
- How hot is Portland in October?
- October in Portland is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 8°C (47°F). Expect roughly 87mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
- Does it rain a lot in Portland in October?
- Portland sees around 87mm of precipitation in October on average — moderate by global standards.
- Is October a good time to visit Portland?
- October is a good month to visit Portland, with generally agreeable conditions.