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August weather forecast in Downers Grove

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 July, sun

	739 mmHg		73%
	4.5 m/s

27 July, Sunday. day, 28°; night, 19°; partly cloudy

28 July, mon

	739 mmHg		73%
	4.19 m/s

28 July, Monday. day, 28°; night, 19°; rain

29 July, tue

	740 mmHg		72%
	4.3 m/s

29 July, Tuesday. day, 28°; night, 19°; clear

30 July, wed

	740 mmHg		71%
	3.6 m/s

30 July, Wednesday. day, 27°; night, 18°; clear

31 July, thu

	740 mmHg		71%
	3.9 m/s

31 July, Thursday. day, 28°; night, 18°; clear

1 August, fri

	740 mmHg		72%
	3.8 m/s

1 August, Friday. day, 28°; night, 18°; clear

2 August, sat

	740 mmHg		72%
	3.9 m/s

2 August, Saturday. day, 28°; night, 19°; rain

3 August, sun

	740 mmHg		72%
	3.7 m/s

3 August, Sunday. day, 28°; night, 19°; clear

4 August, mon

	740 mmHg		73%
	3.7 m/s

4 August, Monday. day, 28°; night, 19°; partly cloudy

5 August, tue

	741 mmHg		72%
	4.19 m/s

5 August, Tuesday. day, 27°; night, 18°; rain

6 August, wed

	740 mmHg		72%
	3.8 m/s

6 August, Wednesday. day, 27°; night, 18°; rain

7 August, thu

	740 mmHg		74%
	4 m/s

7 August, Thursday. day, 27°; night, 18°; rain

8 August, fri

	740 mmHg		73%
	4.1 m/s

8 August, Friday. day, 27°; night, 19°; partly cloudy

9 August, sat

	740 mmHg		73%
	4.3 m/s

9 August, Saturday. day, 27°; night, 18°; clear

10 August, sun

	739 mmHg		73%
	4.19 m/s

10 August, Sunday. day, 27°; night, 19°; clear

11 August, mon

	740 mmHg		73%
	4.1 m/s

11 August, Monday. day, 27°; night, 18°; clear

12 August, tue

	740 mmHg		75%
	3.7 m/s

12 August, Tuesday. day, 26°; night, 17°; partly cloudy

13 August, wed

	740 mmHg		73%
	3.8 m/s

13 August, Wednesday. day, 26°; night, 18°; partly cloudy

14 August, thu

	740 mmHg		74%
	3.8 m/s

14 August, Thursday. day, 26°; night, 17°; partly cloudy

15 August, fri

	740 mmHg		73%
	3.9 m/s

15 August, Friday. day, 27°; night, 17°; clear

16 August, sat

	740 mmHg		73%
	4.1 m/s

16 August, Saturday. day, 27°; night, 18°; clear

17 August, sun

	740 mmHg		74%
	4 m/s

17 August, Sunday. day, 26°; night, 18°; rain

18 August, mon

	740 mmHg		76%
	3.9 m/s

18 August, Monday. day, 26°; night, 17°; rain

19 August, tue

	740 mmHg		76%
	4 m/s

19 August, Tuesday. day, 26°; night, 17°; rain

20 August, wed

	740 mmHg		76%
	4.19 m/s

20 August, Wednesday. day, 26°; night, 18°; rain

21 August, thu

	740 mmHg		74%
	4 m/s

21 August, Thursday. day, 26°; night, 17°; rain

22 August, fri

	741 mmHg		74%
	4.19 m/s

22 August, Friday. day, 27°; night, 18°; clear

23 August, sat

	741 mmHg		74%
	4.3 m/s

23 August, Saturday. day, 27°; night, 17°; clear

24 August, sun

	740 mmHg		75%
	4.3 m/s

24 August, Sunday. day, 27°; night, 18°; clear

25 August, mon

	740 mmHg		74%
	4.4 m/s

25 August, Monday. day, 27°; night, 18°; partly cloudy

26 August, tue

	741 mmHg		75%
	3.7 m/s

26 August, Tuesday. day, 27°; night, 19°; overcast

27 August, wed

	740 mmHg		76%
	4.19 m/s

27 August, Wednesday. day, 27°; night, 19°; partly cloudy

28 August, thu

	740 mmHg		75%
	4.3 m/s

28 August, Thursday. day, 27°; night, 18°; rain

29 August, fri

	740 mmHg		76%
	4.1 m/s

29 August, Friday. day, 27°; night, 18°; rain

30 August, sat

	741 mmHg		74%
	4.1 m/s

30 August, Saturday. day, 26°; night, 17°; clear

31 August, sun

	741 mmHg		72%
	3.8 m/s

31 August, Sunday. day, 26°; night, 16°; clear

1 September, mon

	741 mmHg		73%
	3.9 m/s

1 September, Monday. day, 26°; night, 17°; clear

2 September, tue

	741 mmHg		71%
	4 m/s

2 September, Tuesday. day, 27°; night, 17°; clear

3 September, wed

	741 mmHg		71%
	4.19 m/s

3 September, Wednesday. day, 27°; night, 17°; clear

4 September, thu

	741 mmHg		72%
	4.1 m/s

4 September, Thursday. day, 26°; night, 16°; rain

5 September, fri

	742 mmHg		71%
	4.5 m/s

5 September, Friday. day, 26°; night, 16°; clear

6 September, sat

	741 mmHg		71%
	4.6 m/s

6 September, Saturday. day, 26°; night, 17°; rain

Average data for 10 years

Downers Grove August

12

sunny days

11

days with precipitation

5

cloudy days

12 sunny days; 11 days with precipitation; 5 cloudy days;

74

%

air humidity

2.6

m/s

WindS

94

mm of precipitation

(10% of annual average)

air humidity 74%; 94 millimeters of precipitation (10% of annual average); Wind southerly 2.6 Meters per second

Weather graphs for August

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

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27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Chicago
St. Louis
Indianapolis
Michigan City
Wisconsin Dells
Appleton
Dixon
Ottawa
Iowa City

Cities with similar weather in August

Suhum
Batumi
Florence
Kemer
Podgorica
Verona
Hersonisos
Kobuleti
Marbella

The weather forecast for August 2025 is based on historical data from the past 10 years.

In August, the weather in Downers Grove is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Downers Grove has 12 sunny, 11 rainy, 7 partly cloudy, and 1 cloudy day in August. The rains are usually heavy.

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