Portland Weather in October
During October, Portland experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 6°C (43°F). Expect quite a bit of rainfall. Around 151 mm (5.9 in) is typical.
Rainfall in Portland in October
The climate data from previous years indicates about 12 days of rain, averaging 151 mm (5.9 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Portland in October
In October, Portland sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 6°C (43°F). Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Portland in October
The month experiences a moderate amount of sunlight, with 187 hours of sunshine. This provides a nice balance between sunshine and clouds.
Average water temperature in October
The water is 13°C (55°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Portland.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.
Portland Temperature in October
Min Temperature
6°C (43°F)
Max Temperature
15°C (59°F)
Water Temperature
13°C (55°F)
Chance of Rain
40%
Precipitation
151 mm (5.9 in)
Rainy days
12 days
Humidity
74%
Sunshine
187 hours
Percentage Sunshine
57%
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
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What to Wear in Portland in October
The weather can swing between comfortable and chilly in October, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Expect water temperatures of around 13°C (55°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Portland in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Portland climate overview or explore weather in the United States of America.
