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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

	746 mmHg		70%
	4.1 m/s		+21

28 August, Wednesday. day, 24°; night, 21°; rain

29 August, thu

	747 mmHg		63%
	4.9 m/s		+21

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

30 August, fri

	746 mmHg		74%
	5.1 m/s		+25

Climate normal

30 August, Friday. day, 29°; night, 18°; heavy rain

31 August, sat

	747 mmHg		55%
	3.1 m/s		+25

Climate normal

31 August, Saturday. day, 26°; night, 18°; clear

1 September, sun

	748 mmHg		62%
	9.4 m/s		+24

Climate normal

1 September, Sunday. day, 21°; night, 16°; light rain

2 September, mon

	753 mmHg		50%
	4.5 m/s		+22

Climate normal

2 September, Monday. day, 21°; night, 15°; clear

3 September, tue

	752 mmHg		55%
	4.7 m/s		+24

Climate normal

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

4 September, wed

	751 mmHg		56%
	3.8 m/s		+24

Climate normal

4 September, Wednesday. day, 25°; night, 18°; clear

5 September, thu

	750 mmHg		67%
	5.9 m/s		+25

Climate normal

5 September, Thursday. day, 26°; night, 19°; partly cloudy

6 September, fri

	750 mmHg		63%
	6.1 m/s		+23

Climate normal

6 September, Friday. day, 23°; night, 17°; light rain

7 September, sat

	748 mmHg		57%
	5.8 m/s		+19

Climate normal

7 September, Saturday. day, 23°; night, 17°; light rain

8 September, sun

	748 mmHg		58%
	4.4 m/s		+20

Climate normal

8 September, Sunday. day, 24°; night, 18°; mostly clear

9 September, mon

	745 mmHg		61%
	4.2 m/s

Climate normal

9 September, Monday. day, 25°; night, 18°; partly cloudy

10 September, tue

	745 mmHg		60%
	4.7 m/s

Climate normal

10 September, Tuesday. day, 26°; night, 18°; partly cloudy

11 September, wed

	746 mmHg		68%
	4.6 m/s

Climate normal

11 September, Wednesday. day, 22°; night, 9°; mostly clear

12 September, thu

	744 mmHg		77%
	2.7 m/s

Climate normal

12 September, Thursday. day, 18°; night, 13°; clear

13 September, fri

	742 mmHg		72%
	4.7 m/s

Climate normal

13 September, Friday. day, 23°; night, 18°; mostly clear

14 September, sat

	744 mmHg		71%
	4.6 m/s

Climate normal

14 September, Saturday. day, 27°; night, 23°; clear

15 September, sun

	743 mmHg		84%
	6.6 m/s

Climate normal

15 September, Sunday. day, 25°; night, 22°; light rain

16 September, mon

	742 mmHg		80%
	4.3 m/s

Climate normal

16 September, Monday. day, 26°; night, 21°; light rain

17 September, tue

	744 mmHg		90%
	3.2 m/s

Climate normal

17 September, Tuesday. day, 22°; night, 19°; rain

18 September, wed

	744 mmHg		86%
	2.8 m/s

Climate normal

18 September, Wednesday. day, 23°; night, 19°; light rain

19 September, thu

	744 mmHg		81%
	6.8 m/s

Climate normal

19 September, Thursday. day, 25°; night, 13°; light rain

20 September, fri

	749 mmHg		62%
	4.9 m/s

Climate normal

20 September, Friday. day, 14°; night, 7°; mostly clear

21 September, sat

	751 mmHg		71%
	2.5 m/s

Climate normal

21 September, Saturday. day, 14°; night, 7°; clear

22 September, sun

	750 mmHg		63%
	4.8 m/s

Climate normal

22 September, Sunday. day, 16°; night, 10°; clear

23 September, mon

	746 mmHg		59%
	5.3 m/s

Climate normal

23 September, Monday. day, 18°; night, 12°; clear

24 September, tue

	743 mmHg		58%
	5.5 m/s

Climate normal

24 September, Tuesday. day, 20°; night, 15°; partly cloudy

25 September, wed

	740 mmHg		74%
	4.8 m/s

Climate normal

25 September, Wednesday. day, 21°; night, 16°; partly cloudy

26 September, thu

	737 mmHg		85%
	1.5 m/s

Climate normal

26 September, Thursday. day, 21°; night, 15°; light rain

27 September, fri

	740 mmHg		73%
	4.3 m/s

Climate normal

27 September, Friday. day, 22°; night, 19°; clear

28 September, sat

	740 mmHg		79%
	8 m/s

Climate normal

28 September, Saturday. day, 15°; night, 8°; rain

Average for 30 days

18

sunny days

6

days with precipitation

6

cloudy days

18 sunny days; 6 days with precipitation; 6 cloudy days;

68

%

air humidity

4.8

m/s

WindE

15

mm of precipitation

(2% of annual average)

+23

°C

Water temperature

air humidity 68%; 15 millimeters of precipitation (2% of annual average); Wind easterly 4.8 Meters per second; Water temperature +23°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

SW

NW

N

E

E

E

SW

NE

NE

E

E

N

NE

SE

SE

S

S

S

E

E

NW

N

NW

SW

S

S

S

NW

S

W

30

Average data for 10 years

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

27

28

Daytime temperature

Night-time temperature

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

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