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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

	744 mmHg		62%
	4.8 m/s		+22

19 August, Monday. day, 26°; night, 22°; clear

20 August, tue

	744 mmHg		68%
	4.9 m/s		+22

20 August, Tuesday. day, 25°; night, 22°; clear

21 August, wed

	746 mmHg		64%
	5.1 m/s		+22

21 August, Wednesday. day, 24°; night, 21°; partly cloudy

22 August, thu

	747 mmHg		63%
	4.8 m/s		+22

22 August, Thursday. day, 24°; night, 21°; clear

23 August, fri

	747 mmHg		61%
	5.6 m/s		+22

23 August, Friday. day, 26°; night, 20°; clear

24 August, sat

	750 mmHg		61%
	3.8 m/s		+25

Climate normal

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

25 August, sun

	750 mmHg		59%
	4.1 m/s		+25

Climate normal

25 August, Sunday. day, 30°; night, 23°; partly cloudy

26 August, mon

	748 mmHg		52%
	5.8 m/s		+24

Climate normal

26 August, Monday. day, 32°; night, 25°; clear

27 August, tue

	746 mmHg		62%
	5.1 m/s		+27

Climate normal

27 August, Tuesday. day, 33°; night, 25°; mostly clear

28 August, wed

	748 mmHg		71%
	6.8 m/s		+26

Climate normal

28 August, Wednesday. day, 27°; night, 22°; light rain

29 August, thu

	748 mmHg		71%
	4.7 m/s		+25

Climate normal

29 August, Thursday. day, 26°; night, 22°; heavy rain

30 August, fri

	746 mmHg		72%
	4.8 m/s		+26

Climate normal

30 August, Friday. day, 27°; night, 20°; light rain

31 August, sat

	746 mmHg		66%
	4.4 m/s		+25

Climate normal

31 August, Saturday. day, 26°; night, 19°; clear

1 September, sun

	746 mmHg		58%
	4.4 m/s		+25

Climate normal

1 September, Sunday. day, 27°; night, 19°; clear

2 September, mon

	746 mmHg		67%
	6.2 m/s		+24

Climate normal

2 September, Monday. day, 26°; night, 20°; partly cloudy

3 September, tue

	746 mmHg		63%
	5.2 m/s

Climate normal

3 September, Tuesday. day, 27°; night, 20°; partly cloudy

4 September, wed

	745 mmHg		61%
	4.9 m/s

Climate normal

4 September, Wednesday. day, 27°; night, 14°; partly cloudy

5 September, thu

	747 mmHg		80%
	3.1 m/s

Climate normal

5 September, Thursday. day, 19°; night, 13°; partly cloudy

6 September, fri

	746 mmHg		82%
	2.3 m/s

Climate normal

6 September, Friday. day, 22°; night, 18°; mostly clear

7 September, sat

	744 mmHg		79%
	5.3 m/s

Climate normal

7 September, Saturday. day, 26°; night, 24°; clear

8 September, sun

	742 mmHg		71%
	4.7 m/s

Climate normal

8 September, Sunday. day, 28°; night, 23°; mostly clear

9 September, mon

	743 mmHg		92%
	4.6 m/s

Climate normal

9 September, Monday. day, 20°; night, 18°; rain

10 September, tue

	744 mmHg		72%
	4.9 m/s

Climate normal

10 September, Tuesday. day, 20°; night, 12°; mostly clear

11 September, wed

	745 mmHg		75%
	4.2 m/s

Climate normal

11 September, Wednesday. day, 18°; night, 13°; partly cloudy

12 September, thu

	745 mmHg		74%
	4.8 m/s

Climate normal

12 September, Thursday. day, 20°; night, 16°; clear

13 September, fri

	744 mmHg		74%
	5.1 m/s

Climate normal

13 September, Friday. day, 21°; night, 16°; mostly clear

14 September, sat

	740 mmHg		70%
	5.7 m/s

Climate normal

14 September, Saturday. day, 19°; night, 13°; partly cloudy

15 September, sun

	737 mmHg		85%
	6.6 m/s

Climate normal

15 September, Sunday. day, 16°; night, 13°; light rain

16 September, mon

	738 mmHg		77%
	5.6 m/s

Climate normal

16 September, Monday. day, 18°; night, 14°; partly cloudy

17 September, tue

	743 mmHg		78%
	4.1 m/s

Climate normal

17 September, Tuesday. day, 18°; night, 13°; partly cloudy

18 September, wed

	747 mmHg		79%
	1.8 m/s

Climate normal

18 September, Wednesday. day, 24°; night, 14°; clear

19 September, thu

	746 mmHg		77%
	1.6 m/s

Climate normal

19 September, Thursday. day, 24°; night, 17°; clear

20 September, fri

	741 mmHg		91%
	2.1 m/s

Climate normal

20 September, Friday. day, 19°; night, 15°; rain

21 September, sat

	738 mmHg		83%
	3.7 m/s

Climate normal

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

Average for 30 days

15

sunny days

5

days with precipitation

10

cloudy days

15 sunny days; 5 days with precipitation; 10 cloudy days;

73

%

air humidity

4.5

m/s

WindN

17

mm of precipitation

(3% of annual average)

+25

°C

Water temperature

air humidity 73%; 17 millimeters of precipitation (3% of annual average); Wind northerly 4.5 Meters per second; Water temperature +25°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

SE

SW

SW

W

N

E

W

W

W

N

N

N

E

SE

S

SW

NE

NE

NE

NE

NE

NE

N

N

N

N

SW

SE

SW

SW

24

Average data for 10 years

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

18

19

20

21

22

Daytime temperature

Night-time temperature

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

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