Bradley weather in August

In August, Bradley sees average daytime highs of 82°F and overnight lows near 64°F, with 3.6 in of rain across 10.1 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 38% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Bradley's 2nd-clearest and 12th-windiest month. For the whole year in context, see Bradley's year-round climate.

Daytime high
82°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
3.6 in
10.1 wet days
Daylight
13 h 42 min
5:06 AM – 6:45 PM
Cloud cover
54%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
5.61 kWh/m²
Travel score
6.5
out of 10

Bradley is village in Illinois, United States.

Founded
1891

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 82°F through the month.

A typical August day in Bradley reaches about 82°F in the afternoon and slips back to 64°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 89°F. Set against its neighbours, August runs about 1°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18265
28265
38265
48265
58265
68265
78264
88264
98264
108264
118264
128264
138264
148164
158164
168164
178164
188164
198164
208163
218163
228163
238163
248163
258163
268163
278163
288162
298162
308062
318062

How August really feels in Bradley

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bradley weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 19°2.48.95.49.40.0
Feb37° / 22°2.07.24.310.40.0
Mar48° / 31°3.010.32.711.71.7
Apr60° / 41°4.312.10.713.14.6
May71° / 52°4.512.7014.36.1
Jun80° / 62°4.112.2014.96.2
Jul83° / 66°3.711.3014.75.7
Aug82° / 64°3.610.1013.66.5
Sep76° / 56°3.08.4012.37.1
Oct63° / 45°3.29.30.210.95.6
Nov49° / 34°2.88.71.29.72.1
Dec37° / 25°2.28.13.79.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55644
65644
75545
85644
95644
105644
115644
125644
135644
145644
155644
165743
175644
185644
195644
205644
215545
225545
235644
245644
255644
265644
275644
285842
295842
305842
315941

Chance of precipitation in August

Any precipitation

Bradley gets around 3.6 in of rain over 10.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2133
2233
2332
2432
2531
2631
2730
2830
2930
3030
3130

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 25% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18232725162
28232725161
38232725161
48242725161
58242624161
68242624161
79252624161
89252624161
99252524161
1010252523161
1110252523151
1211252523151
1311252523151
1411252523141
1512252524141
1612242524141
1712242524131
1812242525131
1913232525131
2013232526121
2113232527121
2213222527121
2313222527111
2413222527111
2514232527111
2614232427101
2715232427101
281624242790
291624242690
301725232680
311825232580

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 4:51 AM to 5:21 AM, and sunset from 7:04 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:517:04
214.24:527:03
314.24:537:02
414.14:547:01
514.14:557:00
614.14:566:59
714.04:576:57
814.04:586:56
913.94:596:55
1013.95:006:54
1113.95:016:52
1213.85:026:51
1313.85:036:50
1413.75:046:48
1513.75:056:47
1613.75:066:45
1713.65:076:44
1813.65:086:42
1913.55:096:41
2013.55:106:39
2113.45:116:38
2213.45:126:36
2313.45:136:35
2413.35:146:33
2513.35:156:32
2613.25:166:30
2713.25:176:28
2813.15:186:27
2913.15:196:25
3013.15:206:23
3113.05:216:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.61 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 6.41 kWh/m² in June across the year — August's 5.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Bradley?

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

6.5
Sightseeing
2nd-best month of the year
6.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Bradley for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bradley in August

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

In August, Bradley sees daytime highs around 82°F and nights near 64°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Bradley in August

The nearest coast averages about 73°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 mi away) is warmest in August at about 73°F and coldest in February near 35°F.

It's comfortable for a long swim from Jul 10 to Sep 16 — about 2.3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb35Bracing
Mar35Bracing
Apr39Bracing
May46Bracing
Jun59Cool
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Bradley in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bradley peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Bradley in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Bradley is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar15Moderate
Apr15Moderate
May17Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep12Moderate
Oct8Good
Nov9Good
Dec10Good
Location & terrain

Where is Bradley?

Bradley sits at 41.1°N, 87.9°W, 636 ft above sea level, in United States. The nearest listed city is Kankakee, 1.2 mi away.

Topography around Bradley

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

Within 2 miles, the terrain around Bradley has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 646 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 272 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 597 ft.

The land around Bradley is covered by artificial surfaces (43%) and trees (23%) within 2 miles, cropland (75%) within 10 miles, and cropland (69%) within 50 miles.

2 miles
171 ft
10 miles
272 ft
50 miles
597 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kankakee 1.2 mi · Bourbonnais 1.9 mi · Frankfort 24 mi · Park Forest 26 mi · New Lenox 26 mi · Matteson 26 mi · Mokena 27 mi · Chicago Heights 28 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 Bradley (41.142°, -87.8611°, elevation 636 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).