West Linn weather in October

In October, West Linn sees average daytime highs of 62°F and overnight lows near 44°F, with 5.0 in of precipitation across 12.4 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 56°F by the end. The sky is clear or mostly clear about 31% 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 10 hours by month's end. Set against the rest of the year, October is West Linn's 4th-clearest and 7th-windiest month. For the whole year in context, see West Linn's year-round climate.

Daytime high
62°
6th warmest
Overnight low
44°
7th coldest
Precipitation
5.0 in
12.4 wet days
Daylight
10 h 42 min
6:35 AM – 5:16 PM
Cloud cover
59%
4th clearest
Wind
5 mph
7th windiest
Solar energy
2.66 kWh/m²
Travel score
4.9
out of 10

West Linn is city in Clackamas County, Oregon, United States.

Density
1,275/km²
people per km²
Founded
1913

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 67°F in the first days to 56°F by the end.

A typical October day in West Linn reaches about 62°F in the afternoon and slips back to 44°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 71°F. Set against its neighbours, October runs about 12°F cooler than September and about 11°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16847
26747
36747
46646
56646
66546
76546
86545
96445
106445
116345
126344
136344
146244
156244
166244
176144
186143
196043
206043
216043
225942
235942
245842
255842
265742
275742
285741
295641
305641
315541

How October really feels in West Linn

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.

West Linn weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 35°7.817.75.88.91.0
Feb49° / 35°6.115.65.410.11.7
Mar53° / 37°6.618.55.611.62.4
Apr58° / 40°5.4172.813.23.5
May65° / 46°3.512.30.414.65.5
Jun70° / 50°2.29015.46.7
Jul79° / 54°0.62.9015.18.2
Aug80° / 55°0.72.9013.98.2
Sep73° / 50°2.06.4012.37.6
Oct62° / 44°5.012.40.110.74.9
Nov51° / 38°8.017.939.31.9
Dec45° / 35°8.918.76.78.60.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25644
35545
45347
55248
65050
74951
84852
94654
104555
114555
124357
134258
144258
154258
164159
174159
184159
194060
203961
213961
223961
233961
243961
253961
263862
273862
283763
293664
303565
313466

Chance of precipitation in October

Any precipitationSnow

West Linn gets around 5.0 in of rain and snow over 12.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 51% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1290
2300
3310
4320
5320
6330
7340
8350
9350
10360
11360
12370
13380
14380
15390
16390
17400
18400
19410
20420
21420
22430
23440
24451
25461
26461
27471
28481
29492
30502
31512

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3964
4964
5973
6973
7973
8973
9982
10982
11982
12982
13982
14982
15982
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31982

Wind in October

Winds average 5 mph in October.

Across October, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over October. Sunrise moves from 6:15 AM to 6:55 AM, and sunset from 5:44 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:155:44
211.46:165:42
311.46:175:40
411.36:185:39
511.36:205:37
611.26:215:35
711.26:225:33
811.16:245:31
911.16:255:29
1011.06:265:27
1111.06:285:25
1210.96:295:24
1310.96:305:22
1410.86:325:20
1510.86:335:18
1610.76:355:16
1710.66:365:15
1810.66:375:13
1910.56:395:11
2010.56:405:10
2110.46:415:08
2210.46:435:06
2310.36:445:05
2410.36:465:03
2510.26:475:01
2610.26:485:00
2710.16:504:58
2810.16:514:57
2910.06:534:55
3010.06:544:54
3110.06:554:53

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.66 kWh/m².

For context, solar energy here swings from a low near 1.07 kWh/m² to a high of 7.03 kWh/m² in July across the year — October's 2.66 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.6Moderate
172.6Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.4Moderate
222.4Moderate
232.3Moderate
242.3Moderate
252.2Moderate
262.2Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.0Moderate
312.0Dim
Planning a trip in October

Hazard calendar for West Linn

In seasonPeak

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

West Linn'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 West Linn?

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

4.9
Sightseeing
6th-best month of the year
1.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit West Linn for sightseeing.

What to pack for West Linn in October

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

In October, West Linn sees daytime highs around 62°F and nights near 44°F. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in West Linn in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in West Linn peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May8Very high
Jun7High
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in West Linn 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 West Linn is worst in September — around 40 µg/m³ PM2.5 (poor), about 7.8× the cleanest month (January, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1537 µg/m³Jan 155 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar9Good
Apr9Good
May8Good
Jun9Good
Jul8Good
Aug20Moderate
Sep40Poor
Oct10Good
Nov9Good
Dec6Good
Location & terrain

Where is West Linn?

West Linn sits at 45.4°N, 122.6°W, 135 ft above sea level, in United States. The nearest listed city is Oregon City, 0.6 mi away.

Topography around West Linn

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

Within 2 miles, the terrain around West Linn has only modest variations in elevation — a maximum elevation change of 748 ft around an average of 253 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,161 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,093 ft.

The land around West Linn is covered by trees (63%) and artificial surfaces (24%) within 2 miles, trees (63%) within 10 miles, and trees (76%) within 50 miles.

2 miles
748 ft
10 miles
1,161 ft
50 miles
11,093 ft
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Oregon City 0.6 mi · Oak Grove 3.7 mi · Lake Oswego 5.0 mi · Milwaukie 5.6 mi · Happy Valley 6.8 mi · Tualatin 7.5 mi · Canby 8.1 mi · Lents 8.1 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 West Linn (45.3657°, -122.6123°, elevation 135 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. 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).