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Monthly weather forecast in Chicago

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

18 August, sun

	744 mmHg		62%
	4.9 m/s		+22

18 August, Sunday. day, 26°; night, 22°; clear

19 August, mon

	749 mmHg		62%
	8.3 m/s		+19

Climate normal

19 August, Monday. day, 22°; night, 16°; clear

20 August, tue

	752 mmHg		55%
	5.5 m/s		+22

Climate normal

20 August, Tuesday. day, 20°; night, 14°; mostly clear

21 August, wed

	752 mmHg		52%
	3.7 m/s		+25

Climate normal

21 August, Wednesday. day, 22°; night, 14°; clear

22 August, thu

	752 mmHg		57%
	3.8 m/s		+25

Climate normal

22 August, Thursday. day, 25°; night, 17°; clear

23 August, fri

	751 mmHg		51%
	4.3 m/s		+24

Climate normal

23 August, Friday. day, 27°; night, 20°; partly cloudy

24 August, sat

	750 mmHg		62%
	4.5 m/s		+25

Climate normal

24 August, Saturday. day, 28°; night, 23°; partly cloudy

25 August, sun

	749 mmHg		57%
	6 m/s		+25

Climate normal

25 August, Sunday. day, 31°; night, 24°; partly cloudy

26 August, mon

	748 mmHg		65%
	4.6 m/s		+24

Climate normal

26 August, Monday. day, 30°; night, 24°; clear

27 August, tue

	748 mmHg		64%
	5.2 m/s		+24

Climate normal

27 August, Tuesday. day, 31°; night, 23°; mostly clear

28 August, wed

	747 mmHg		64%
	4 m/s		+26

Climate normal

28 August, Wednesday. day, 29°; night, 20°; mostly clear

29 August, thu

	747 mmHg		61%
	3.7 m/s

Climate normal

29 August, Thursday. day, 27°; night, 22°; partly cloudy

30 August, fri

	745 mmHg		66%
	4.5 m/s

Climate normal

30 August, Friday. day, 27°; night, 21°; partly cloudy

31 August, sat

	747 mmHg		73%
	3.8 m/s

Climate normal

31 August, Saturday. day, 24°; night, 13°; mostly clear

1 September, sun

	749 mmHg		82%
	1.7 m/s

Climate normal

1 September, Sunday. day, 21°; night, 12°; mostly clear

2 September, mon

	747 mmHg		78%
	1.4 m/s

Climate normal

2 September, Monday. day, 23°; night, 12°; clear

3 September, tue

	746 mmHg		79%
	1 m/s

Climate normal

3 September, Tuesday. day, 25°; night, 11°; clear

4 September, wed

	747 mmHg		79%
	1 m/s

Climate normal

4 September, Wednesday. day, 26°; night, 14°; clear

5 September, thu

	746 mmHg		76%
	1.2 m/s

Climate normal

5 September, Thursday. day, 28°; night, 17°; clear

6 September, fri

	745 mmHg		77%
	1.5 m/s

Climate normal

6 September, Friday. day, 27°; night, 17°; light rain

7 September, sat

	744 mmHg		81%
	2.2 m/s

Climate normal

7 September, Saturday. day, 26°; night, 18°; light rain

8 September, sun

	743 mmHg		80%
	3.1 m/s

Climate normal

8 September, Sunday. day, 26°; night, 19°; light rain

9 September, mon

	741 mmHg		81%
	4 m/s

Climate normal

9 September, Monday. day, 26°; night, 20°; light rain

10 September, tue

	739 mmHg		85%
	6.3 m/s

Climate normal

10 September, Tuesday. day, 25°; night, 21°; rain

11 September, wed

	738 mmHg		93%
	3.1 m/s

Climate normal

11 September, Wednesday. day, 20°; night, 17°; rain

12 September, thu

	742 mmHg		77%
	3 m/s

Climate normal

12 September, Thursday. day, 20°; night, 12°; clear

13 September, fri

	743 mmHg		80%
	2.6 m/s

Climate normal

13 September, Friday. day, 22°; night, 16°; clear

14 September, sat

	746 mmHg		69%
	2.7 m/s

Climate normal

14 September, Saturday. day, 21°; night, 17°; mostly clear

15 September, sun

	741 mmHg		77%
	5.3 m/s

Climate normal

15 September, Sunday. day, 23°; night, 19°; mostly clear

16 September, mon

	740 mmHg		78%
	4 m/s

Climate normal

16 September, Monday. day, 16°; night, 10°; light rain

17 September, tue

	744 mmHg		82%
	1.1 m/s

Climate normal

17 September, Tuesday. day, 13°; night, 8°; partly cloudy

Average data for 10 years

Next, the average data for 10 years

18 September, wed

	747 mmHg		70%
	5.6 m/s		+19

18 September, Wednesday. day, 21°; night, 18°; clear

19 September, thu

	746 mmHg		62%
	6.1 m/s		+19

19 September, Thursday. day, 24°; night, 18°; clear

20 September, fri

	745 mmHg		57%
	6.3 m/s		+19

20 September, Friday. day, 23°; night, 20°; clear

21 September, sat

	748 mmHg		64%
	4.8 m/s		+19

21 September, Saturday. day, 22°; night, 18°; clear

Average for 30 days

21

sunny days

3

days with precipitation

6

cloudy days

21 sunny days; 3 days with precipitation; 6 cloudy days;

71

%

air humidity

3.6

m/s

WindS

5

mm of precipitation

(1% of annual average)

+24

°C

Water temperature

air humidity 71%; 5 millimeters of precipitation (1% of annual average); Wind southerly 3.6 Meters per second; Water temperature +24°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

N

NE

E

SW

S

S

SW

S

SW

W

NE

W

SW

S

S

SW

S

S

SW

SW

SW

S

S

NW

NW

NW

E

S

NW

NE

19

Average data for 10 years

20

21

22

23

24

25

26

27

28

29

30

31

1

September

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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