Mukilteo weather in October

In October, Mukilteo sees average daytime highs of 56°F and overnight lows near 46°F, with 7.1 in of rain across 15 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 60°F in the first days to 52°F by the end. The sky is clear or mostly clear about 26% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 48 min by month's end. Set against the rest of the year, October is Mukilteo's 5th-clearest and 6th-windiest month. For the whole year in context, see Mukilteo's year-round climate.

Daytime high
56°
6th warmest
Overnight low
46°
7th coldest
Rainfall
7.1 in
15 wet days
Daylight
10 h 36 min
6:37 AM – 5:11 PM
Cloud cover
64%
5th clearest
Wind
6 mph
6th windiest
Solar energy
2.22 kWh/m²
Travel score
3.5
out of 10

Mukilteo is waterfront city in Snohomish County, Washington, United States.

Density
862/km²
people per km²
Founded
1858

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 60°F in the first days to 52°F by the end.

A typical October day in Mukilteo reaches about 56°F in the afternoon and slips back to 46°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 62°F. Set against its neighbours, October runs about 8°F cooler than September and about 8°F warmer than November.

30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
16149
26149
36049
46049
56048
65948
75948
85848
95848
105847
115847
125747
135747
145747
155647
165646
175646
185646
195546
205546
215546
225545
235445
245445
255445
265344
275344
285344
295344
305244
315244

How October really feels in Mukilteo

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mukilteo 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
Jan45° / 38°9.119.358.60.7
Feb47° / 38°5.815.44.29.91.2
Mar50° / 40°7.019.13.111.61.8
Apr54° / 43°5.2160.813.42.8
May60° / 47°3.512.30.114.94.5
Jun64° / 51°3.110.6015.75.6
Jul69° / 55°1.56.1015.47.3
Aug70° / 55°1.76.1014.17.4
Sep65° / 52°3.39.4012.46.1
Oct56° / 46°7.115010.63.5
Nov48° / 41°10.019.31.991.4
Dec44° / 38°9.119.15.38.20.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% 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
44753
54654
64555
74357
84258
94060
103961
113763
123763
133763
143664
153466
163466
173466
183565
193466
203466
213466
223466
233466
243565
253565
263565
273466
283466
293466
303367
313367

Chance of precipitation in October

Any precipitation

Mukilteo gets around 7.1 in of rain over 15 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 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
234
335
436
538
639
740
842
943
1045
1146
1248
1349
1450
1551
1652
1752
1853
1953
2053
2154
2254
2354
2454
2554
2654
2755
2855
2955
3055
3156

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2964
3964
4964
5973
6973
7973
8982
9982
10982
11982
12991
13991
14991
15991
16991
17991
18991
19991
20991
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 6 mph in October.

Across October, daily wind ranges from about 5 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 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 96 minutes over October. Sunrise moves from 6:15 AM to 7:00 AM, and sunset from 5:42 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:155:42
211.46:165:40
311.36:185:37
411.36:195:35
511.26:215:33
611.26:225:31
711.16:245:29
811.06:255:27
911.06:265:25
1010.96:285:23
1110.96:295:21
1210.86:315:19
1310.76:325:17
1410.76:345:15
1510.66:365:13
1610.66:375:11
1710.56:395:10
1810.56:405:08
1910.46:425:06
2010.36:435:04
2110.36:455:02
2210.26:465:00
2310.26:484:59
2410.16:494:57
2510.16:514:55
2610.06:524:53
2710.06:544:52
289.96:564:50
299.96:574:49
309.86:594:47
319.87:004:45

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.22 kWh/m².

For context, solar energy here swings from a low near 0.84 kWh/m² to a high of 6.04 kWh/m² in July across the year — October's 2.22 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.8Moderate
62.8Moderate
72.7Moderate
82.6Moderate
92.6Moderate
102.5Moderate
112.4Moderate
122.4Moderate
132.3Moderate
142.3Moderate
152.2Moderate
162.2Moderate
172.1Moderate
182.1Moderate
192.0Moderate
202.0Moderate
212.0Dim
221.9Dim
231.9Dim
241.9Dim
251.8Dim
261.8Dim
271.7Dim
281.7Dim
291.7Dim
301.6Dim
311.6Dim
Planning a trip in October

Hazard calendar for Mukilteo

In seasonPeak

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

Mukilteo'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 Mukilteo?

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

3.5
Sightseeing
6th-best month of the year
0.1
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Mukilteo.

What to pack for Mukilteo in October

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

In October, Mukilteo sees daytime highs around 56°F and nights near 46°F. Pack rain gear. Worth having: a warm layer. About 15 days see rain.

rain geara warm layer

Sea temperature near Mukilteo 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 29 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 Mukilteo 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 Mukilteo 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 Mukilteo 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 Mukilteo 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 Mukilteo?

Mukilteo sits at 47.9°N, 122.3°W, 105 ft above sea level, in United States. The nearest listed city is Everett, 5.6 mi away.

Topography around Mukilteo

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

Within 2 miles, the terrain around Mukilteo has only modest variations in elevation — a maximum elevation change of 630 ft around an average of 157 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 682 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,589 ft.

The land around Mukilteo is covered by water (60%) and trees (24%) within 2 miles, water (41%) and trees (37%) within 10 miles, and trees (67%) and water (21%) within 50 miles.

2 miles
630 ft
10 miles
682 ft
50 miles
7,589 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Everett 5.6 mi · Picnic Point-North Lynnwood 5.6 mi · Eastmont 6.8 mi · Martha Lake 6.8 mi · Mill Creek 7.5 mi · Lynnwood 8.7 mi · Silver Firs 8.7 mi · Mill Creek East 9.3 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 Mukilteo (47.9445°, -122.3046°, elevation 105 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).