Pasco weather in October

In October, Pasco sees average daytime highs of 65°F and overnight lows near 45°F, with 0.9 in of rain across 5.8 wet days and about 10.7 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 73°F in the first days to 58°F by the end. The sky is clear or mostly clear about 43% 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 Pasco's 5th-clearest and 8th-windiest month. For the whole year in context, see Pasco's year-round climate.

Daytime high
65°
7th warmest
Overnight low
45°
7th coldest
Rainfall
0.9 in
5.8 wet days
Daylight
10 h 42 min
6:22 AM – 5:01 PM
Cloud cover
49%
5th clearest
Wind
6 mph
8th windiest
Solar energy
3.14 kWh/m²
Travel score
6.6
out of 10

Pasco is seat of Franklin County, Washington, United States.

Density
748/km²
people per km²
Founded
1891

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 73°F in the first days to 58°F by the end.

A typical October day in Pasco reaches about 65°F in the afternoon and slips back to 45°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 75°F. Set against its neighbours, October runs about 15°F cooler than September and about 16°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
17450
27349
37349
47249
57248
67148
77048
87047
96947
106947
116846
126746
136746
146745
156645
166545
176544
186444
196444
206344
216343
226243
236242
246142
256042
266041
275941
285941
295840
305740
315740

How October really feels in Pasco

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.

Pasco weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 30°1.58.92.38.80.2
Feb48° / 32°1.06.81.3101.9
Mar57° / 38°1.170.411.64.4
Apr67° / 44°0.85.5013.36.7
May77° / 52°0.85014.77.6
Jun84° / 58°0.63015.56.7
Jul93° / 64°0.21.2015.24.0
Aug91° / 63°0.21.10144.6
Sep81° / 55°0.32.2012.37.7
Oct65° / 45°0.95.8010.76.6
Nov50° / 36°1.38.20.69.22.3
Dec41° / 30°1.59.22.68.50.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
26931
36931
46832
56733
66634
76634
86436
96337
106238
116139
126139
136040
145941
155941
165842
175842
185743
195743
205743
215644
225644
235545
245545
255446
265446
275347
285347
295248
305149
315149

Chance of precipitation in October

Any precipitation

Pasco gets around 0.9 in of rain over 5.8 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 18% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
111
211
312
413
513
614
714
815
915
1016
1116
1216
1317
1417
1517
1617
1718
1818
1919
2019
2120
2220
2321
2422
2522
2623
2723
2824
2924
3025
3126

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
7991
8991
9991
10991
11991
12991
13991
14991
15991
161000
171000
181000
191000
201000
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 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
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
316calm

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 6:01 AM to 6:43 AM, and sunset from 5:30 PM to 4:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:015:30
211.46:025:28
311.46:045:26
411.36:055:24
511.36:065:22
611.26:085:20
711.16:095:18
811.16:115:16
911.06:125:14
1011.06:135:12
1110.96:155:10
1210.96:165:09
1310.86:175:07
1410.86:195:05
1510.76:205:03
1610.76:225:01
1710.66:234:59
1810.66:254:58
1910.56:264:56
2010.46:274:54
2110.46:294:52
2210.36:304:51
2310.36:324:49
2410.26:334:47
2510.26:354:46
2610.16:364:44
2710.16:384:43
2810.06:394:41
2910.06:404:40
309.96:424:38
319.96:434:37

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.14 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 7.85 kWh/m² in July across the year — October's 3.14 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.0Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.6Moderate
262.6Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.4Moderate
312.4Moderate
Planning a trip in October

Is October a good time to visit Pasco?

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

6.6
Sightseeing
5th-best month of the year
2.9
Beach & pool
7th-best month of the year

October is a reasonable time to visit Pasco for sightseeing.

What to pack for Pasco in October

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

In October, Pasco sees daytime highs around 65°F and nights near 45°F. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Pasco 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 Pasco peaks around July 16 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 16UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7Very high
Jun6High
Jul8Very high
Aug6High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Pasco 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 Pasco is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 2026 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr11Good
May9Good
Jun10Good
Jul13Moderate
Aug27Moderate
Sep21Moderate
Oct12Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Pasco?

Pasco sits at 46.2°N, 119.1°W, 387 ft above sea level, in United States. The nearest listed city is Kennewick, 2.5 mi away.

Topography around Pasco

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

Within 2 miles, the terrain around Pasco has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 387 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,886 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,009 ft.

The land around Pasco is covered by artificial surfaces (54%) within 2 miles, grassland (36%) and cropland (32%) within 10 miles, and grassland (50%) and cropland (43%) within 50 miles.

2 miles
118 ft
10 miles
1,886 ft
50 miles
4,009 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Kennewick 2.5 mi · Tri-Cities 4.3 mi · Richland 9.3 mi · Hermiston 29 mi · Walla Walla 39 mi · Pendleton 42 mi · Sunnyside 43 mi · Moses Lake 62 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 Pasco (46.2396°, -119.1006°, elevation 387 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).