Highland weather in October

In October, Highland sees average daytime highs of 75°F and overnight lows near 53°F, with 0.5 in of rain across 2.1 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 80°F in the first days to 70°F by the end. The sky is clear or mostly clear about 77% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Highland's 5th-clearest and 10th-windiest month. For the whole year in context, see Highland's year-round climate.

Daytime high
75°
5th warmest
Overnight low
53°
8th coldest
Rainfall
0.5 in
2.1 wet days
Daylight
11 h 06 min
6:00 AM – 5:08 PM
Cloud cover
22%
5th clearest
Wind
4 mph
10th windiest
Solar energy
4.94 kWh/m²
Travel score
8.8
out of 10

Highland is city in San Bernardino County, California, United States.

Density
1,121/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 80°F in the first days to 70°F by the end.

A typical October day in Highland reaches about 75°F in the afternoon and slips back to 53°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 86°F. Set against its neighbours, October runs about 10°F cooler than September and about 11°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18057
28057
38056
47956
57956
67855
77855
87855
97755
107754
117754
127654
137654
147653
157653
167553
177553
187553
197452
207452
217452
227352
237351
247251
257251
267150
277150
287150
297049
307049
316949

How October really feels in Highland

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.

Highland weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan57° / 40°2.25.60.9104.7
Feb58° / 40°2.76.61.110.74.8
Mar62° / 43°1.65.70.911.76.2
Apr68° / 46°0.83.30.312.87.7
May75° / 52°0.32.5013.88.7
Jun83° / 58°0.10.7014.27.8
Jul89° / 65°0.52.90145.4
Aug89° / 65°0.43013.35.3
Sep85° / 61°0.31.6012.27.2
Oct75° / 53°0.52.1011.18.8
Nov64° / 45°0.72.90.210.27.2
Dec57° / 39°1.74.60.59.84.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 10% of October, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7928
89010
99010
109010
119010
129010
138911
148812
158812
168713
178713
188614
198515
208416
218416
228218
238218
248218
258119
268020
278020
288020
298020
308020
318020

Chance of precipitation in October

Any precipitation

Highland gets around 0.5 in of rain over 2.1 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 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
95
105
116
126
136
146
156
166
176
186
196
207
217
227
237
248
258
268
278
288
298
308
319

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 (%)
1973
2973
3973
4982
5982
6982
7982
8982
9982
10982
11982
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
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 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
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 42 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 5:48 AM to 6:13 AM, and sunset from 5:28 PM to 4:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:485:28
211.65:495:26
311.65:495:25
411.65:505:24
511.55:515:22
611.55:525:21
711.45:535:19
811.45:535:18
911.45:545:17
1011.35:555:15
1111.35:565:14
1211.35:575:13
1311.25:575:12
1411.25:585:10
1511.25:595:09
1611.16:005:08
1711.16:015:07
1811.16:025:05
1911.06:025:04
2011.06:035:03
2111.06:045:02
2210.96:055:01
2310.96:065:00
2410.96:074:59
2510.86:084:58
2610.86:094:56
2710.86:104:55
2810.76:104:54
2910.76:114:53
3010.76:124:52
3110.66:134:52

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.94 kWh/m².

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 8.39 kWh/m² in June across the year — October's 4.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
314.2Bright
Planning a trip in October

Is October a good time to visit Highland?

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

8.8
Sightseeing
1st-best month of the year
7.2
Beach & pool
5th-best month of the year

October is one of the better times to visit Highland for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Highland in October

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

In October, Highland sees daytime highs around 75°F and nights near 53°F. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Highland in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Highland peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Highland 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 Highland is worst in September — around 30 µg/m³ PM2.5 (moderate), about 5.3× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1427 µg/m³Dec 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr9Good
May9Good
Jun16Moderate
Jul12Good
Aug15Moderate
Sep30Moderate
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Highland?

Highland sits at 34.1°N, 117.2°W, 1,309 ft above sea level, in United States. The nearest listed city is San Bernardino, 5.0 mi away.

Topography around Highland

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

Within 2 miles, the terrain around Highland has significant variations in elevation — a maximum elevation change of 1,558 ft around an average of 1,394 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,699 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,411 ft.

The land around Highland is covered by artificial surfaces (57%) within 2 miles, trees (28%), artificial surfaces (28%) and shrubs (24%) within 10 miles, and shrubs (29%) and bare terrain (21%) within 50 miles.

2 miles
1,558 ft
10 miles
6,699 ft
50 miles
11,411 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: San Bernardino 5.0 mi · Redlands 5.0 mi · Loma Linda 6.2 mi · Colton 6.8 mi · Rialto 9.3 mi · Bloomington 11 mi · Yucaipa 12 mi · Fontana 13 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 Highland (34.1283°, -117.2087°, elevation 1,309 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).