Brookfield weather in October

In October, Brookfield sees average daytime highs of 61°F and overnight lows near 47°F, with 3.3 in of precipitation across 9.5 wet days and about 10.9 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 55°F by the end. The sky is clear or mostly clear about 34% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is Brookfield's 4th-clearest and 5th-windiest month. For the whole year in context, see Brookfield's year-round climate.

Daytime high
61°
6th warmest
Overnight low
47°
7th coldest
Precipitation
3.3 in
9.5 wet days
Daylight
10 h 54 min
6:11 AM – 5:02 PM
Cloud cover
58%
4th clearest
Wind
10 mph
5th windiest
Solar energy
3.14 kWh/m²
Travel score
5.1
out of 10

Brookfield is village in Cook County, Illinois United States of America.

Founded
1893

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 55°F by the end.

A typical October day in Brookfield reaches about 61°F in the afternoon and slips back to 47°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 73°F. Set against its neighbours, October runs about 12°F cooler than September and about 14°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16752
26752
36751
46651
56651
66650
76550
86549
96449
106449
116348
126348
136247
146247
156247
166146
176046
186046
196045
205945
215945
225844
235844
245744
255743
265643
275643
285542
295542
305542
315441

How October really feels in Brookfield

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.

Brookfield 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
Jan31° / 19°2.49.16.19.30.0
Feb34° / 22°2.17.54.810.30.0
Mar44° / 30°2.810.33.111.70.9
Apr56° / 41°4.512.4113.13.5
May67° / 52°4.312.4014.35.8
Jun77° / 63°4.012.10156.4
Jul82° / 67°3.611.6014.76.2
Aug80° / 66°3.810.9013.76.6
Sep73° / 58°3.08.8012.37.0
Oct61° / 47°3.39.50.110.95.1
Nov47° / 35°2.891.29.61.6
Dec36° / 26°2.48.74.290.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55347
65347
75347
85347
95347
105347
115347
125347
135248
145248
155248
165149
175050
184951
194852
204753
214654
224654
234555
244555
254357
264357
274357
284258
294159
304159
314060

Chance of precipitation in October

Any precipitationSnow

Brookfield gets around 3.3 in of rain and snow over 9.5 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 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1290
2290
3280
4280
5280
6280
7280
8280
9280
10280
11290
12290
13290
14290
15290
16300
17300
18310
19310
20320
21320
22320
23321
24321
25321
26321
27321
28321
29321
30321
31322

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1711784
2741673
3751573
4751573
5771463
6781462
7791362
8801352
9811252
10821152
11841141
12851041
13861031
1487931
1587931
1690820
1790820
1891720
1991720
2092620
2192620
2292620
2392620
2493520
2593520
2694510
2794510
2894510
2995410
3095410
3195410

Wind in October

Winds average 10 mph in October.

Across October, daily wind ranges from about 9 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 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 5:54 AM to 6:29 AM, and sunset from 5:27 PM to 4:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:545:27
211.55:555:25
311.55:565:24
411.45:575:22
511.45:585:20
611.35:595:18
711.36:005:17
811.26:025:15
911.26:035:13
1011.16:045:12
1111.16:055:10
1211.06:065:08
1311.06:075:07
1410.96:095:05
1510.96:105:04
1610.96:115:02
1710.86:125:00
1810.86:134:59
1910.76:144:57
2010.76:164:56
2110.66:174:54
2210.66:184:53
2310.56:194:51
2410.56:214:50
2510.46:224:49
2610.46:234:47
2710.46:244:46
2810.36:254:45
2910.36:274:43
3010.26:284:42
3110.26:294:41

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 1.61 kWh/m² to a high of 6.55 kWh/m² in June across the year — October's 3.14 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.5Moderate
312.5Moderate
Planning a trip in October

Is October a good time to visit Brookfield?

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

5.1
Sightseeing
6th-best month of the year
1.2
Beach & pool
6th-best month of the year

October is a reasonable time to visit Brookfield for sightseeing.

What to pack for Brookfield in October

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

In October, Brookfield sees daytime highs around 61°F and nights near 47°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Brookfield in October

The nearest coast averages about 58°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 mi away) is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 13 to Sep 15 — about 2.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr39Bracing
May45Bracing
Jun57Bracing
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Brookfield 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 Brookfield peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Brookfield 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 Brookfield is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 921 µg/m³Oct 2410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar18Moderate
Apr19Moderate
May20Moderate
Jun21Moderate
Jul21Moderate
Aug18Moderate
Sep15Moderate
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Brookfield?

Brookfield sits at 41.8°N, 87.9°W, 623 ft above sea level, in United States. The nearest listed city is La Grange, 1.9 mi away.

Topography around Brookfield

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

Within 2 miles, the terrain around Brookfield has only modest variations in elevation — a maximum elevation change of 269 ft around an average of 633 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 427 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 751 ft.

The land around Brookfield is covered by artificial surfaces (51%) and trees (40%) within 2 miles, artificial surfaces (60%) and trees (29%) within 10 miles, and cropland (28%), water (27%) and trees (20%) within 50 miles.

2 miles
269 ft
10 miles
427 ft
50 miles
751 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: La Grange 1.9 mi · Westchester 2.5 mi · Berwyn 3.7 mi · Maywood 3.7 mi · Bellwood 4.3 mi · Hinsdale 5.0 mi · Cicero 5.0 mi · Melrose Park 5.6 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 Brookfield (41.8239°, -87.8517°, elevation 623 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).