Mid-autumn · Weather & things to do
Bainbridge Island in October
Bainbridge Island cools off: highs slip to 59°F (15°C), from 69°F in September, with lows of 45°F (7°C) and about 4.9 in (125 mm) of rain.
Our comfort score puts it mid-table at 69/100, 6th of 12.

- Avg high
- 59°F (15°C)
- Avg low
- 45°F (7°C)
- Rain
- 4.9 in (125 mm)
- Humidity
- 84%
- Cloud cover
- 68%
- Daylight
- ~10 h 35 min
- Comfort score
- 69/100 · Good
What October feels like
Days are mild at around 59°F (15°C): comfortable for walking all day, with a layer for the evening.
Lows average 45°F (7°C).
Expect regular rain: about 4.9 in (125 mm) falls in the month.
Plan around October
October sits mid-table; the best months are June – September.
- The year's biggest cool-down: highs drop 6°C (10°F) from September.
- Comfort slips from 90/100 in September to 69/100.
- Our Puget Sound Islands route recommends May – Sep, so October falls outside its suggested window.
What to pack for October
- A warm layer for eveningslows near 45°F
- Rain jacket and waterproof shoes4.9 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Bainbridge Island in October
October is good outdoor weather here, so these picks lean toward the open air.
Bloedel Reserve
150-acre gardens and forest, including a Japanese garden and moss garden.
Why now Our curated notes say it's best spring–fall.
Waterfront Park
Shoreline park on Eagle Harbor with a trail toward the ferry.
Why now October scores 69/100 for comfort, good conditions for being outside.
Seattle–Bainbridge ferry
35-minute ride across Elliott Bay with views of the skyline and Mount Rainier.
Bainbridge Island Japanese American Exclusion Memorial
Memorial at the dock where 227 Japanese American residents were forced out in 1942.
Bainbridge Island Museum of Art
Free museum of Puget Sound contemporary art steps from the ferry.
Nearby in October
- Seattle in October~9 mi · highs 59°F, 4.9 in rain · similar daytime temperatures, about as wet
- Olympic NP in October~52 mi · highs 44°F, 7.8 in rain · 9°C (15°F) cooler by day, wetter
- Snoqualmie Pass in October~54 mi · highs 50°F, 7.2 in rain · 5°C (9°F) cooler by day, wetter
- San Juan Island in October~67 mi · highs 56°F, 4.3 in rain · 2°C (4°F) cooler by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Bainbridge Island in October: quick answers
Is October a good time to visit Bainbridge Island?
It's middling, scoring 69/100. The best months are June – September, at up to 90. Expect highs of 59°F (15°C) and 4.9 in (125 mm) of rain. Our Puget Sound Islands route recommends May – Sep, so October is outside its suggested window.
How cold is Bainbridge Island in October?
Average highs are 59°F (15°C) and average lows 45°F (7°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Bainbridge Island in October?
Yes: about 4.9 in (125 mm) of rain falls across October on average, the 5th-wettest month of the year. The annual total is about 48.4 in (1230 mm).
What should I pack for Bainbridge Island in October?
Bring a warm layer for evenings (lows near 45°F), rain jacket and waterproof shoes (4.9 in of rain on average) and comfortable walking shoes (most picks involve some walking).
More on Bainbridge Island
Planning Bainbridge Island in October?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.





