Bainbridge Island weather in October

In October, Bainbridge Island sees average daytime highs of 58°F and overnight lows near 49°F, with 4.8 in of rain across 14.9 wet days and about 10.6 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 62°F in the first days to 54°F by the end. The sky is clear or mostly clear about 24% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 48 min by month's end. Set against the rest of the year, October is Bainbridge Island's 5th-clearest and 6th-windiest month. For the whole year in context, see Bainbridge Island's year-round climate.

Daytime high
58°
6th warmest
Overnight low
49°
7th coldest
Rainfall
4.8 in
14.9 wet days
Daylight
10 h 36 min
6:37 AM – 5:13 PM
Cloud cover
64%
5th clearest
Wind
6 mph
6th windiest
Solar energy
2.26 kWh/m²
Travel score
3.8
out of 10

Bainbridge Island is city in Kitsap County, Washington, United States.

Density
141/km²
people per km²
Founded
1841

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 62°F in the first days to 54°F by the end.

A typical October day in Bainbridge Island reaches about 58°F in the afternoon and slips back to 49°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 63°F. Set against its neighbours, October runs about 9°F cooler than September and about 8°F warmer than November.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16252
26252
36251
46151
56151
66151
76051
86050
96050
105950
115950
125950
135849
145849
155849
165749
175749
185749
195748
205648
215648
225648
235547
245547
255547
265547
275447
285447
295446
305446
315346

Bainbridge Island weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 40°6.217.71.98.71.0
Feb48° / 40°4.114.51.49.91.4
Mar51° / 42°4.7170.811.62.1
Apr55° / 45°3.714.80.113.33.1
May61° / 49°2.611.9014.94.8
Jun65° / 53°2.410.3015.75.9
Jul71° / 57°1.36.2015.47.5
Aug72° / 58°1.45.7014.17.7
Sep66° / 55°2.49012.46.4
Oct58° / 49°4.814.9010.63.8
Nov50° / 43°6.917.70.59.11.8
Dec45° / 40°6.617.42.28.30.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25050
35050
44852
54654
64555
74357
84258
94060
103961
113961
123763
133664
143664
153565
163565
173565
183565
193565
203367
213367
223466
233565
243565
253565
263466
273466
283565
293565
303466
313466

Chance of precipitation in October

Any precipitation

Bainbridge Island gets around 4.8 in of rain over 14.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
235
336
438
539
640
741
843
944
1045
1147
1248
1349
1450
1551
1651
1752
1852
1952
2053
2153
2253
2353
2453
2553
2653
2753
2853
2953
3054
3154

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18812
28911
39010
4919
5928
6937
7937
8946
9955
10955
11964
12964
13964
14973
15973
16973
17982
18982
19982
20982
21982
22982
23991
24991
25991
26991
27991
28991
29991
30991
311000

Wind in October

Winds average 6 mph in October.

Across October, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 6:15 AM to 7:00 AM, and sunset from 5:43 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:155:43
211.46:175:41
311.36:185:39
411.36:205:37
511.26:215:34
611.26:235:32
711.16:245:30
811.06:265:28
911.06:275:26
1010.96:285:24
1110.96:305:22
1210.86:315:20
1310.86:335:19
1410.76:345:17
1510.66:365:15
1610.66:375:13
1710.56:395:11
1810.56:405:09
1910.46:425:07
2010.46:435:05
2110.36:455:04
2210.36:465:02
2310.26:485:00
2410.16:504:58
2510.16:514:57
2610.06:534:55
2710.06:544:53
289.96:564:52
299.96:574:50
309.86:594:49
319.87:004:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.26 kWh/m².

For context, solar energy here swings from a low near 0.86 kWh/m² to a high of 6.07 kWh/m² in July across the year — October's 2.26 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.8Moderate
72.7Moderate
82.7Moderate
92.6Moderate
102.5Moderate
112.5Moderate
122.4Moderate
132.4Moderate
142.3Moderate
152.3Moderate
162.2Moderate
172.2Moderate
182.1Moderate
192.1Moderate
202.0Moderate
212.0Moderate
222.0Dim
231.9Dim
241.9Dim
251.9Dim
261.8Dim
271.8Dim
281.8Dim
291.7Dim
301.7Dim
311.6Dim
Planning a trip in October

Hazard calendar for Bainbridge Island

In seasonPeak

In October, Bainbridge Island sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Bainbridge Island's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Bainbridge Island?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.8
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Bainbridge Island.

What to pack for Bainbridge Island in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Bainbridge Island sees daytime highs around 58°F and nights near 49°F. Pack rain gear. Worth having: a warm layer. About 15 days see rain.

rain geara warm layer

Sea temperature near Bainbridge Island in October

The nearest coast averages about 50°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 mi away) is warmest in August at about 53°F and coldest in February near 46°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

45°50°55°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°F)Comfort
Jan46Bracing
Feb46Bracing
Mar47Bracing
Apr48Bracing
May50Bracing
Jun52Bracing
Jul53Bracing
Aug53Bracing
Sep53Bracing
Oct50Bracing
Nov49Bracing
Dec47Bracing

UV index in Bainbridge Island in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bainbridge Island peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Bainbridge Island in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Bainbridge Island is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodModerateGoodAug 2119 µg/m³Dec 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Good
May13Moderate
Jun11Good
Jul10Good
Aug20Moderate
Sep18Moderate
Oct11Good
Nov7Good
Dec6Good
Location & terrain

Where is Bainbridge Island?

Bainbridge Island sits at 47.6°N, 122.5°W, 89 ft above sea level, in United States. The nearest listed city is Bremerton, 6.8 mi away.

Topography around Bainbridge Island

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bainbridge Island.

Within 2 miles, the terrain around Bainbridge Island has only modest variations in elevation — a maximum elevation change of 453 ft around an average of 144 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 623 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,589 ft.

The land around Bainbridge Island is covered by trees (64%) and water (26%) within 2 miles, water (44%) and trees (40%) within 10 miles, and trees (70%) within 50 miles.

2 miles
453 ft
10 miles
623 ft
50 miles
7,589 ft
treesgrasslandartificial surfacesbare terrainwater
October weather nearby: Bremerton 6.8 mi · Silverdale 8.1 mi · Seattle 8.7 mi · Columbia City 12 mi · Shoreline 12 mi · Burien 14 mi · Edmonds 14 mi · Mercer Island 14 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bainbridge Island (47.6262°, -122.5212°, elevation 89 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).