Twin Falls weather in October

In October, Twin Falls sees average daytime highs of 64°F and overnight lows near 40°F, with 0.9 in of precipitation across 4.6 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 71°F in the first days to 57°F by the end. The sky is clear or mostly clear about 53% 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 h 06 min by month's end. Set against the rest of the year, October is Twin Falls's 5th-clearest and 7th-windiest month. For the whole year in context, see Twin Falls's year-round climate.

Daytime high
64°
6th warmest
Overnight low
40°
7th coldest
Precipitation
0.9 in
4.6 wet days
Daylight
10 h 48 min
6:58 AM – 5:48 PM
Cloud cover
41%
5th clearest
Wind
7 mph
7th windiest
Solar energy
3.84 kWh/m²
Travel score
6.6
out of 10

Twin Falls is city in and county seat of Twin Falls County, Idaho, United States.

Density
1,009/km²
people per km²
Founded
1904

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 71°F in the first days to 57°F by the end.

A typical October day in Twin Falls reaches about 64°F in the afternoon and slips back to 40°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 77°F. Set against its neighbours, October runs about 14°F cooler than September and about 15°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
17245
27145
37144
47044
56943
66943
76843
86842
96742
106741
116641
126641
136540
146540
156540
166439
176439
186339
196338
206238
216238
226137
236137
246037
256037
265936
275836
285835
295735
305735
315635

How October really feels in Twin Falls

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 9 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
9
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Twin Falls weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 24°1.596.29.20.0
Feb44° / 27°1.17.44.210.30.8
Mar54° / 33°1.48.82.711.63.3
Apr61° / 38°1.48.21.413.15.3
May71° / 46°1.57.50.114.47.0
Jun81° / 53°0.84.2015.17.3
Jul91° / 60°0.21.7014.84.6
Aug89° / 59°0.31.9013.75.2
Sep78° / 50°0.62.8012.38.1
Oct64° / 40°0.94.60.410.86.6
Nov49° / 30°1.26.82.99.62.2
Dec38° / 24°1.68.86.28.90.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57426
67327
77327
87228
97228
107228
117129
127030
137030
147030
157030
166931
176931
186832
196634
206634
216535
226436
236337
246238
256139
266040
276040
285941
295842
305743
315644

Chance of precipitation in October

Any precipitationSnow

Twin Falls gets around 0.9 in of rain and snow over 4.6 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 15% and peaks near 18% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1131
2131
3131
4141
5141
6141
7141
8141
9141
10141
11141
12131
13131
14131
15131
16131
17141
18141
19141
20151
21151
22152
23162
24162
25162
26162
27172
28173
29173
30183
31183

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in October

Winds average 7 mph in October.

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

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 6:41 AM to 7:17 AM, and sunset from 6:13 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:416:13
211.56:426:11
311.46:436:10
411.46:446:08
511.36:456:06
611.36:466:04
711.36:476:03
811.26:496:01
911.26:505:59
1011.16:515:57
1111.16:525:56
1211.06:535:54
1311.06:555:52
1410.96:565:51
1510.96:575:49
1610.86:585:48
1710.86:595:46
1810.77:015:44
1910.77:025:43
2010.67:035:41
2110.67:045:40
2210.57:065:38
2310.57:075:37
2410.57:085:35
2510.47:095:34
2610.47:115:32
2710.37:125:31
2810.37:135:30
2910.27:145:28
3010.27:165:27
3110.17:175:26

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.84 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 7.98 kWh/m² in July across the year — October's 3.84 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.1Bright
124.1Bright
134.0Bright
144.0Moderate
153.9Moderate
163.9Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
313.0Moderate
Planning a trip in October

Is October a good time to visit Twin Falls?

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

6.6
Sightseeing
4th-best month of the year
2.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Twin Falls for sightseeing.

What to pack for Twin Falls in October

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

In October, Twin Falls sees daytime highs around 64°F and nights near 40°F. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in Twin Falls 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 Twin Falls peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 19UV 9Dec 13UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr5Moderate
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec2Low

Air quality in Twin Falls 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 Twin Falls is worst in August — around 19 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1918 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr9Good
May9Good
Jun8Good
Jul16Moderate
Aug19Moderate
Sep17Moderate
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Twin Falls?

Twin Falls sits at 42.6°N, 114.5°W, 3,734 ft above sea level, in United States. The nearest listed city is Pocatello, 104 mi away.

Topography around Twin Falls

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

Within 2 miles, the terrain around Twin Falls has only modest variations in elevation — a maximum elevation change of 220 ft around an average of 3,727 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,634 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,808 ft.

The land around Twin Falls is covered by artificial surfaces (52%) within 2 miles, cropland (57%) and grassland (30%) within 10 miles, and grassland (73%) and cropland (22%) within 50 miles.

2 miles
220 ft
10 miles
1,634 ft
50 miles
7,808 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Pocatello 104 mi · Boise 114 mi · Kuna 118 mi · Meridian 121 mi · Eagle 124 mi · Nampa 126 mi · Caldwell 135 mi · Elko 137 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 Twin Falls (42.563°, -114.4609°, elevation 3,734 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).