The Dalles weather in October

In October, The Dalles sees average daytime highs of 60°F and overnight lows near 42°F, with 2.3 in of precipitation across 8.4 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 54°F by the end. The sky is clear or mostly clear about 36% 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 54 min by month's end. Set against the rest of the year, October is The Dalles's 5th-clearest and 8th-windiest month. For the whole year in context, see The Dalles's year-round climate.

Daytime high
60°
6th warmest
Overnight low
42°
7th coldest
Precipitation
2.3 in
8.4 wet days
Daylight
10 h 42 min
6:29 AM – 5:10 PM
Cloud cover
54%
5th clearest
Wind
4 mph
8th windiest
Solar energy
2.94 kWh/m²
Travel score
5.2
out of 10

The Dalles is city in and county seat of Wasco County, Oregon, United States.

Density
854/km²
people per km²
Founded
1857

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 54°F by the end.

A typical October day in The Dalles reaches about 60°F in the afternoon and slips back to 42°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 70°F. Set against its neighbours, October runs about 14°F cooler than September and about 14°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16846
26746
36745
46645
56645
66544
76544
86444
96444
106343
116243
126243
136242
146142
156142
166042
176042
185941
195941
205841
215840
225740
235740
245640
255639
265539
275539
285438
295438
305338
315338

How October really feels in The Dalles

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.

The Dalles weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 29°4.614.66.78.90.0
Feb44° / 30°3.612.85.210.10.6
Mar51° / 34°3.413.63.111.62.2
Apr57° / 39°2.311.40.413.33.9
May66° / 45°1.67.9014.76.3
Jun73° / 50°0.95.1015.47.7
Jul82° / 55°0.31.7015.17.7
Aug83° / 55°0.31.9013.97.6
Sep74° / 50°0.83.2012.38.2
Oct60° / 42°2.38.40.210.75.2
Nov46° / 34°4.113.52.49.31.2
Dec38° / 28°5.315.37.78.60.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36337
46139
56139
66040
75941
85743
95644
105545
115446
125347
135248
145149
155149
165050
175050
184951
194951
204852
214852
224852
234753
244753
254654
264654
274555
284456
294357
304258
314159

Chance of precipitation in October

Any precipitationSnow

The Dalles gets around 2.3 in of rain and snow over 8.4 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 26% and peaks near 36% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1180
2180
3190
4200
5210
6210
7220
8220
9230
10230
11240
12240
13240
14240
15250
16251
17251
18261
19271
20271
21281
22291
23301
24302
25312
26322
27332
28342
29342
30352
31363

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 4 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
15calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 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 6:09 AM to 6:50 AM, and sunset from 5:38 PM to 4:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:095:38
211.46:105:37
311.46:125:35
411.36:135:33
511.36:145:31
611.26:165:29
711.26:175:27
811.16:185:25
911.16:205:23
1011.06:215:21
1111.06:225:19
1210.96:245:18
1310.86:255:16
1410.86:265:14
1510.76:285:12
1610.76:295:10
1710.66:305:09
1810.66:325:07
1910.56:335:05
2010.56:355:03
2110.46:365:02
2210.46:375:00
2310.36:394:59
2410.36:404:57
2510.26:424:55
2610.26:434:54
2710.16:454:52
2810.16:464:51
2910.06:474:49
3010.06:494:48
319.96:504:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.94 kWh/m².

For context, solar energy here swings from a low near 1.24 kWh/m² to a high of 7.69 kWh/m² in July across the year — October's 2.94 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.6Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.2Moderate
312.2Moderate
Planning a trip in October

Hazard calendar for The Dalles

In seasonPeak

None of The Dalles's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

The Dalles's rainy season runs November–March, 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 The Dalles?

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

5.2
Sightseeing
6th-best month of the year
1.1
Beach & pool
6th-best month of the year

October is a reasonable time to visit The Dalles for sightseeing.

What to pack for The Dalles in October

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

In October, The Dalles sees daytime highs around 60°F and nights near 42°F. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

UV index in The Dalles in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in The Dalles peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Dec 13UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun7High
Jul9Very high
Aug7High
Sep5Moderate
Oct4Moderate
Nov1Low
Dec1Low

Air quality in The Dalles 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 The Dalles is worst in August — around 43 µg/m³ PM2.5 (poor), about 8.8× the cleanest month (December, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2041 µg/m³Dec 245 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar8Good
Apr8Good
May8Good
Jun8Good
Jul8Good
Aug43Poor
Sep29Moderate
Oct10Good
Nov9Good
Dec5Good
Location & terrain

Where is The Dalles?

The Dalles sits at 45.6°N, 121.2°W, 253 ft above sea level, in United States. The nearest listed city is Washougal, 57 mi away.

Topography around The Dalles

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

Within 2 miles, the terrain around The Dalles has significant variations in elevation — a maximum elevation change of 1,047 ft around an average of 397 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,140 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 12,215 ft.

The land around The Dalles is covered by trees (38%), grassland (29%) and artificial surfaces (22%) within 2 miles, grassland (58%) and trees (24%) within 10 miles, and trees (50%) and grassland (39%) within 50 miles.

2 miles
1,047 ft
10 miles
3,140 ft
50 miles
12,215 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Washougal 57 mi · Troutdale 58 mi · Camas 59 mi · Gresham 61 mi · Happy Valley 66 mi · Battle Ground 66 mi · Orchards 67 mi · Lents 68 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 The Dalles (45.5946°, -121.1787°, elevation 253 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).