Portland
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Portland Weather in October

Portland in October averages 29°C (84°F) during the day and 19°C (66°F) at night. Some rainfall is typical for this time of year.

Rainfall in Portland in October

Based on our climate data of the past 30 years, about 7 days of rain are anticipated, with 58 mm (2.3 in) on average. 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

October is one of the better months to visit Portland. Expect 29°C (84°F) during the day and 19°C (66°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Portland in October

There are approximately 230 hours of sunshine this month, resulting in mostly clear days.

If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Portland.

Portland Temperature in October

Min Temperature
19°C (66°F)
Max Temperature
29°C (84°F)
Chance of Rain
24%
Precipitation
58 mm (2.3 in)
Rainy days
7 days
Humidity
74% *
Sunshine
230 hours *
Percentage Sunshine
65% *
* Data from: Corpus Christi, the United States of America (11 KM, 6 Miles).

Portland Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Portland - and find the best time to visit.

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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Portland in October

Warm weather calls for comfortable, breathable clothing in October. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Portland in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    8/10
  • Outdoor sports
    8/10

Portland 3-Day Forecast

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.