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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

25 August, sun

	748 mmHg		64%
	4.6 m/s		+21

25 August, Sunday. day, 24°; night, 22°; partly cloudy

26 August, mon

	747 mmHg		64%
	5.4 m/s		+21

26 August, Monday. day, 24°; night, 21°; partly cloudy

27 August, tue

	746 mmHg		68%
	5.5 m/s		+21

27 August, Tuesday. day, 24°; night, 21°; partly cloudy

28 August, wed

	748 mmHg		80%
	5 m/s		+24

Climate normal

28 August, Wednesday. day, 25°; night, 20°; light rain

29 August, thu

	749 mmHg		75%
	4.3 m/s		+24

Climate normal

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

30 August, fri

	746 mmHg		78%
	5.6 m/s		+25

Climate normal

30 August, Friday. day, 26°; night, 20°; light rain

31 August, sat

	747 mmHg		61%
	3.8 m/s		+25

Climate normal

31 August, Saturday. day, 27°; night, 19°; clear

1 September, sun

	747 mmHg		59%
	7.8 m/s		+24

Climate normal

1 September, Sunday. day, 24°; night, 17°; light rain

2 September, mon

	753 mmHg		47%
	5.8 m/s		+24

Climate normal

2 September, Monday. day, 21°; night, 16°; partly cloudy

3 September, tue

	752 mmHg		54%
	4.5 m/s		+25

Climate normal

3 September, Tuesday. day, 23°; night, 16°; partly cloudy

4 September, wed

	751 mmHg		58%
	4.3 m/s		+23

Climate normal

4 September, Wednesday. day, 24°; night, 17°; clear

5 September, thu

	750 mmHg		65%
	4.9 m/s		+25

Climate normal

5 September, Thursday. day, 25°; night, 18°; mostly clear

6 September, fri

	747 mmHg		57%
	3.4 m/s		+24

Climate normal

6 September, Friday. day, 26°; night, 19°; clear

7 September, sat

	745 mmHg		65%
	5.8 m/s

Climate normal

7 September, Saturday. day, 25°; night, 18°; partly cloudy

8 September, sun

	744 mmHg		60%
	6.6 m/s

Climate normal

8 September, Sunday. day, 24°; night, 16°; partly cloudy

9 September, mon

	747 mmHg		85%
	2.9 m/s

Climate normal

9 September, Monday. day, 23°; night, 18°; light rain

10 September, tue

	743 mmHg		86%
	2.3 m/s

Climate normal

10 September, Tuesday. day, 23°; night, 17°; light rain

11 September, wed

	740 mmHg		82%
	2.9 m/s

Climate normal

11 September, Wednesday. day, 24°; night, 18°; light rain

12 September, thu

	740 mmHg		92%
	5 m/s

Climate normal

12 September, Thursday. day, 21°; night, 19°; rain

13 September, fri

	742 mmHg		86%
	5.7 m/s

Climate normal

13 September, Friday. day, 25°; night, 24°; light rain

14 September, sat

	744 mmHg		77%
	6.7 m/s

Climate normal

14 September, Saturday. day, 23°; night, 16°; light rain

15 September, sun

	746 mmHg		85%
	1.2 m/s

Climate normal

15 September, Sunday. day, 19°; night, 16°; partly cloudy

16 September, mon

	742 mmHg		94%
	3.1 m/s

Climate normal

16 September, Monday. day, 21°; night, 17°; rain

17 September, tue

	746 mmHg		75%
	4 m/s

Climate normal

17 September, Tuesday. day, 18°; night, 11°; mostly clear

18 September, wed

	747 mmHg		80%
	1.7 m/s

Climate normal

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

19 September, thu

	744 mmHg		78%
	3.6 m/s

Climate normal

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

20 September, fri

	740 mmHg		85%
	3.8 m/s

Climate normal

20 September, Friday. day, 17°; night, 12°; partly cloudy

21 September, sat

	741 mmHg		77%
	2.3 m/s

Climate normal

21 September, Saturday. day, 16°; night, 8°; clear

22 September, sun

	741 mmHg		74%
	1.7 m/s

Climate normal

22 September, Sunday. day, 18°; night, 7°; clear

23 September, mon

	743 mmHg		76%
	1.1 m/s

Climate normal

23 September, Monday. day, 19°; night, 9°; partly cloudy

24 September, tue

	744 mmHg		79%
	1.8 m/s

Climate normal

24 September, Tuesday. day, 22°; night, 14°; partly cloudy

25 September, wed

	743 mmHg		74%
	2.6 m/s

Climate normal

25 September, Wednesday. day, 22°; night, 13°; clear

26 September, thu

	742 mmHg		71%
	3.4 m/s

Climate normal

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

Average data for 10 years

Next, the average data for 10 years

27 September, fri

	744 mmHg		62%
	5.6 m/s		+18

27 September, Friday. day, 20°; night, 16°; rain

28 September, sat

	745 mmHg		69%
	6.1 m/s		+18

28 September, Saturday. day, 18°; night, 17°; clear

Average for 30 days

13

sunny days

9

days with precipitation

8

cloudy days

13 sunny days; 9 days with precipitation; 8 cloudy days;

74

%

air humidity

3.9

m/s

WindNE

9

mm of precipitation

(2% of annual average)

+24

°C

Water temperature

air humidity 74%; 9 millimeters of precipitation (2% of annual average); Wind north-easterly 3.9 Meters per second; Water temperature +24°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

NE

NE

W

NE

N

NE

E

E

E

NE

W

NW

E

E

SE

S

S

NW

NW

SW

N

N

W

NW

N

N

S

NW

NE

NE

28

Average data for 10 years

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

23

24

25

26

Daytime temperature

Night-time temperature

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

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