Mid-autumn · Weather & things to do
Portland in October
Portland cools off: highs slip to 63°F (17°C), from 77°F in September, with lows of 46°F (8°C) and about 5.4 in (137 mm) of rain.
It scores 76/100 for comfort, 6th of 12, which makes it a solid shoulder-season month.
- Avg high
- 63°F (17°C)
- Avg low
- 46°F (8°C)
- Rain
- 5.4 in (137 mm)
- Humidity
- 80%
- Cloud cover
- 63%
- Daylight
- ~10 h 41 min
- Comfort score
- 76/100 · Great
What October feels like
Expect mild afternoons around 63°F (17°C), good for long walks.
Lows average 46°F (8°C).
Expect regular rain: about 5.4 in (137 mm) falls in the month.
Plan around October
October is shoulder season: good weather, a step below the best months (June – September).
- The year's biggest cool-down: highs drop 8°C (14°F) from September.
- Comfort slips from 92/100 in September to 76/100.
- Our Pacific Northwest route recommends Jun – Sep, so October falls outside its suggested window.
What to pack for October
- A warm layer for eveningsnights drop to 46°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Portland in October
October is good outdoor weather here, so these picks lean toward the open air.
Portland Japanese Garden
Eight garden styles on a Washington Park hillside, often called the finest outside Japan.
Why now Our curated notes say it's best Oct–Nov.
Multnomah Whiskey Library
Leather-and-wood whiskey bar with 1,500+ bottles and a rolling cart service.
Lan Su Chinese Garden
Walled Ming-style garden with a teahouse in Old Town Chinatown.
Why now October scores 76/100 for comfort, good conditions for being outside.
Vista House at Crown Point
1918 stone observatory high above the Columbia River with the Gorge's signature view.
Why now Highs near 63°F and 5.4 in of monthly rain make this an easy outdoor pick.
Screen Door
Southern comfort food; known for fried chicken and waffles.
Nearby in October
- Cannon Beach in October~67 mi · highs 59°F, 6.8 in rain · 2°C (4°F) cooler by day, wetter
- Astoria in October~72 mi · highs 59°F, 6.8 in rain · 2°C (4°F) cooler by day, wetter
- Yachats in October~109 mi · highs 57°F, 4.8 in rain · 3°C (6°F) cooler by day, drier
- Snoqualmie Pass in October~145 mi · highs 50°F, 7.2 in rain · 7°C (13°F) cooler by day, wetter
These averages also cover Downtown Portland and Northwest Portland.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~257 m to Portland's ~21 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Portland in October: quick answers
Is October a good time to visit Portland?
It's a good shoulder-season choice, scoring 76/100 against a best of 94 in June – September. Expect highs of 63°F (17°C) and 5.4 in (137 mm) of rain. Our Pacific Northwest route recommends Jun – Sep, so October is outside its suggested window.
How cold is Portland in October?
Average highs are 63°F (17°C) and average lows 46°F (8°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Portland in October?
Yes: about 5.4 in (137 mm) of rain falls across October on average, the 6th-wettest month of the year. The annual total is about 58.4 in (1484 mm).
What should I pack for Portland in October?
Bring a warm layer for evenings (nights drop to 46°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Portland
Planning Portland in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.