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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

	745 mmHg		74%
	8 m/s		+22

Climate normal

18 August, Sunday. day, 23°; night, 18°; light rain

19 August, mon

	749 mmHg		61%
	9.1 m/s		+18

Climate normal

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

20 August, tue

	752 mmHg		55%
	5.8 m/s		+22

Climate normal

20 August, Tuesday. day, 20°; night, 15°; clear

21 August, wed

	751 mmHg		56%
	4 m/s		+24

Climate normal

21 August, Wednesday. day, 23°; night, 15°; mostly clear

22 August, thu

	751 mmHg		52%
	4.1 m/s		+24

Climate normal

22 August, Thursday. day, 26°; night, 17°; mostly clear

23 August, fri

	750 mmHg		53%
	4.1 m/s		+23

Climate normal

23 August, Friday. day, 27°; night, 20°; overcast

24 August, sat

	749 mmHg		61%
	5.3 m/s		+23

Climate normal

24 August, Saturday. day, 29°; night, 23°; light rain

25 August, sun

	749 mmHg		64%
	4.8 m/s		+24

Climate normal

25 August, Sunday. day, 30°; night, 24°; partly cloudy

26 August, mon

	749 mmHg		59%
	4.3 m/s		+25

Climate normal

26 August, Monday. day, 29°; night, 23°; partly cloudy

27 August, tue

	746 mmHg		67%
	4.3 m/s

Climate normal

27 August, Tuesday. day, 27°; night, 20°; partly cloudy

28 August, wed

	746 mmHg		58%
	4.3 m/s

Climate normal

28 August, Wednesday. day, 28°; night, 20°; partly cloudy

29 August, thu

	746 mmHg		65%
	6.3 m/s

Climate normal

29 August, Thursday. day, 27°; night, 21°; partly cloudy

30 August, fri

	740 mmHg		78%
	5.3 m/s

Climate normal

30 August, Friday. day, 29°; night, 22°; light rain

31 August, sat

	741 mmHg		87%
	3 m/s

Climate normal

31 August, Saturday. day, 23°; night, 19°; rain

1 September, sun

	744 mmHg		78%
	2.7 m/s

Climate normal

1 September, Sunday. day, 24°; night, 15°; clear

2 September, mon

	746 mmHg		79%
	1.5 m/s

Climate normal

2 September, Monday. day, 24°; night, 12°; clear

3 September, tue

	745 mmHg		76%
	0.9 m/s

Climate normal

3 September, Tuesday. day, 26°; night, 16°; clear

4 September, wed

	745 mmHg		80%
	1.4 m/s

Climate normal

4 September, Wednesday. day, 27°; night, 18°; mostly clear

5 September, thu

	743 mmHg		80%
	2.4 m/s

Climate normal

5 September, Thursday. day, 26°; night, 21°; clear

6 September, fri

	741 mmHg		87%
	2.5 m/s

Climate normal

6 September, Friday. day, 25°; night, 17°; rain

7 September, sat

	742 mmHg		82%
	1.1 m/s

Climate normal

7 September, Saturday. day, 28°; night, 19°; light rain

8 September, sun

	744 mmHg		78%
	1.6 m/s

Climate normal

8 September, Sunday. day, 28°; night, 21°; clear

9 September, mon

	745 mmHg		77%
	2.8 m/s

Climate normal

9 September, Monday. day, 29°; night, 21°; clear

10 September, tue

	746 mmHg		75%
	3.1 m/s

Climate normal

10 September, Tuesday. day, 28°; night, 21°; clear

11 September, wed

	744 mmHg		68%
	3.1 m/s

Climate normal

11 September, Wednesday. day, 28°; night, 20°; clear

12 September, thu

	742 mmHg		66%
	3.6 m/s

Climate normal

12 September, Thursday. day, 27°; night, 21°; partly cloudy

13 September, fri

	742 mmHg		66%
	5.7 m/s

Climate normal

13 September, Friday. day, 27°; night, 19°; light rain

14 September, sat

	746 mmHg		72%
	6.1 m/s

Climate normal

14 September, Saturday. day, 17°; night, 12°; light rain

15 September, sun

	745 mmHg		59%
	4 m/s

Climate normal

15 September, Sunday. day, 18°; night, 16°; clear

16 September, mon

	736 mmHg		92%
	6.1 m/s

Climate normal

16 September, Monday. day, 23°; night, 18°; rain

Average data for 10 years

Next, the average data for 10 years

17 September, tue

	747 mmHg		74%
	5.5 m/s		+19

17 September, Tuesday. day, 22°; night, 18°; rain

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

18

sunny days

5

days with precipitation

7

cloudy days

18 sunny days; 5 days with precipitation; 7 cloudy days;

70

%

air humidity

4

m/s

WindS

11

mm of precipitation

(2% of annual average)

+23

°C

Water temperature

air humidity 70%; 11 millimeters of precipitation (2% of annual average); Wind southerly 4 Meters per second; Water temperature +23°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

N

N

NE

E

SE

S

SW

SW

W

NE

E

N

SW

N

N

NE

NW

E

S

SW

E

SE

S

S

S

S

S

NE

E

SW

18

Average data for 10 years

19

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

Daytime temperature

Night-time temperature

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

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