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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

	752 mmHg		56%
	3.8 m/s		+24

Climate normal

21 August, Wednesday. day, 22°; night, 12°; mostly clear

22 August, thu

	752 mmHg		51%
	3.7 m/s		+25

Climate normal

22 August, Thursday. day, 24°; night, 15°; mostly clear

23 August, fri

	751 mmHg		51%
	4.5 m/s		+24

Climate normal

23 August, Friday. day, 26°; night, 19°; partly cloudy

24 August, sat

	750 mmHg		67%
	3.7 m/s		+25

Climate normal

24 August, Saturday. day, 28°; night, 22°; light rain

25 August, sun

	749 mmHg		68%
	4.8 m/s		+24

Climate normal

25 August, Sunday. day, 29°; night, 23°; rain

26 August, mon

	748 mmHg		67%
	4.4 m/s		+26

Climate normal

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

27 August, tue

	748 mmHg		70%
	4.9 m/s		+25

Climate normal

27 August, Tuesday. day, 27°; night, 21°; rain

28 August, wed

	749 mmHg		61%
	3.8 m/s		+27

Climate normal

28 August, Wednesday. day, 27°; night, 20°; partly cloudy

29 August, thu

	746 mmHg		64%
	5.5 m/s		+25

Climate normal

29 August, Thursday. day, 27°; night, 20°; heavy rain

30 August, fri

	747 mmHg		62%
	5.8 m/s		+21

Climate normal

30 August, Friday. day, 26°; night, 19°; mostly clear

31 August, sat

	747 mmHg		58%
	6.2 m/s

Climate normal

31 August, Saturday. day, 24°; night, 19°; mostly clear

1 September, sun

	747 mmHg		56%
	4.9 m/s

Climate normal

1 September, Sunday. day, 26°; night, 19°; partly cloudy

2 September, mon

	745 mmHg		74%
	4.3 m/s

Climate normal

2 September, Monday. day, 23°; night, 15°; mostly clear

3 September, tue

	744 mmHg		83%
	1.9 m/s

Climate normal

3 September, Tuesday. day, 25°; night, 18°; clear

4 September, wed

	743 mmHg		86%
	3.3 m/s

Climate normal

4 September, Wednesday. day, 24°; night, 19°; clear

5 September, thu

	744 mmHg		93%
	9.2 m/s

Climate normal

5 September, Thursday. day, 22°; night, 10°; rain

6 September, fri

	750 mmHg		70%
	5.7 m/s

Climate normal

6 September, Friday. day, 14°; night, 8°; clear

7 September, sat

	746 mmHg		83%
	1.6 m/s

Climate normal

7 September, Saturday. day, 18°; night, 11°; clear

8 September, sun

	743 mmHg		81%
	4.3 m/s

Climate normal

8 September, Sunday. day, 20°; night, 15°; clear

9 September, mon

	746 mmHg		77%
	5.6 m/s

Climate normal

9 September, Monday. day, 13°; night, 6°; light rain

10 September, tue

	741 mmHg		73%
	3 m/s

Climate normal

10 September, Tuesday. day, 14°; night, 9°; rain

11 September, wed

	744 mmHg		85%
	2.2 m/s

Climate normal

11 September, Wednesday. day, 19°; night, 10°; clear

12 September, thu

	748 mmHg		79%
	2.3 m/s

Climate normal

12 September, Thursday. day, 19°; night, 14°; clear

13 September, fri

	747 mmHg		82%
	3.3 m/s

Climate normal

13 September, Friday. day, 19°; night, 16°; partly cloudy

14 September, sat

	745 mmHg		85%
	2.6 m/s

Climate normal

14 September, Saturday. day, 24°; night, 20°; clear

15 September, sun

	740 mmHg		84%
	2.8 m/s

Climate normal

15 September, Sunday. day, 26°; night, 19°; mostly clear

16 September, mon

	736 mmHg		82%
	6.7 m/s

Climate normal

16 September, Monday. day, 24°; night, 16°; rain

17 September, tue

	741 mmHg		66%
	6.8 m/s

Climate normal

17 September, Tuesday. day, 16°; night, 10°; mostly clear

18 September, wed

	746 mmHg		80%
	2 m/s

Climate normal

18 September, Wednesday. day, 18°; night, 12°; clear

19 September, thu

	744 mmHg		73%
	6.2 m/s

Climate normal

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

Average data for 10 years

Next, the average data for 10 years

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

19

sunny days

7

days with precipitation

4

cloudy days

19 sunny days; 7 days with precipitation; 4 cloudy days;

72

%

air humidity

4.3

m/s

WindSW

29

mm of precipitation

(4% of annual average)

+25

°C

Water temperature

air humidity 72%; 29 millimeters of precipitation (4% of annual average); Wind south-westerly 4.3 Meters per second; Water temperature +25°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

NE

SE

S

S

S

S

NW

NE

SW

W

SW

NE

NW

SW

SW

NW

N

SW

SW

N

SE

NW

E

E

SE

SE

SW

NW

NW

S

21

Average data for 10 years

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

18

19

Daytime temperature

Night-time temperature

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

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