Portland, Oregon weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: June – September
What is the weather like in Portland, Oregon in October?
In October, Portland, Oregon is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 106 mm in total. All in all, October is a good month for a holiday in Portland, Oregon.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 91 | 62 | 16 |
| Day | 24° | 17° | 11° |
| Night | 12° | 8° | 4° |
| Sun | 8 h | 5 h | 3 h |
| Rain days | 6 | 12 | 18 |
More details for October
- Daylight
- 11 h 2 min07:25 – 18:27
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %88 %
- Sunshineweight 20 %30 %
- Few rainy daysweight 30 %40 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Portland, Oregon in October: quick answers
Is Portland, Oregon hot in October?
No. In October, Portland, Oregon is mild: daytime highs average 17 °C and nights drop to about 8 °C.
Does it rain much in Portland, Oregon in October?
Rain is frequent, with about 12 rainy days and 106 mm in total.
Portland, Oregon month by month
The whole year in Portland, OregonAll destinations: USAWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences