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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
1
September
+23
+16
1 September, sun
+23
+16
Feels like
+16
748 mmHg
61%
8.8
m/s
N
+22
Climate normal
+25
+22
1 September, Sunday. day, 23°; night, 16°; clear
2
+21
+14
2 September, mon
+21
+14
Feels like
+17
753 mmHg
46%
4.2
m/s
E
+23
Climate normal
+25
+21
2 September, Monday. day, 21°; night, 14°; clear
3
+24
+15
3 September, tue
+24
+15
Feels like
+18
753 mmHg
48%
4.4
m/s
E
+23
Climate normal
+23
+21
3 September, Tuesday. day, 24°; night, 15°; partly cloudy
4
+26
+18
4 September, wed
+26
+18
Feels like
+21
752 mmHg
48%
4.3
m/s
E
+23
Climate normal
+23
+20
4 September, Wednesday. day, 26°; night, 18°; clear
5
+28
+20
5 September, thu
+28
+20
Feels like
+26
749 mmHg
63%
4.2
m/s
SW
+23
Climate normal
+24
+19
5 September, Thursday. day, 28°; night, 20°; partly cloudy
6
+20
+14
6 September, fri
+20
+14
Feels like
+14
746 mmHg
74%
9
m/s
N
+22
Climate normal
+24
+21
6 September, Friday. day, 20°; night, 14°; rain
7
+17
+12
7 September, sat
+17
+12
Feels like
+9
748 mmHg
56%
8.5
m/s
N
+17
Climate normal
+23
+20
7 September, Saturday. day, 17°; night, 12°; light rain
8
+21
+14
8 September, sun
+21
+14
Feels like
+12
748 mmHg
48%
7.2
m/s
SW
+20
Climate normal
+22
+19
8 September, Sunday. day, 21°; night, 14°; partly cloudy
9
+24
+17
9 September, mon
+24
+17
Feels like
+16
746 mmHg
52%
7.7
m/s
SW
+19
Climate normal
+22
+19
9 September, Monday. day, 24°; night, 17°; mostly clear
10
+25
+18
10 September, tue
+25
+18
Feels like
+19
744 mmHg
60%
6.1
m/s
SW
+20
Climate normal
+22
+19
10 September, Tuesday. day, 25°; night, 18°; mostly clear
11
+24
+18
11 September, wed
+24
+18
Feels like
+18
744 mmHg
70%
6.4
m/s
N
Climate normal
+23
+18
11 September, Wednesday. day, 24°; night, 18°; partly cloudy
12
+23
+18
12 September, thu
+23
+18
Feels like
+17
745 mmHg
68%
7.8
m/s
N
Climate normal
+21
+18
12 September, Thursday. day, 23°; night, 18°; partly cloudy
13
+24
+22
13 September, fri
+24
+22
Feels like
+17
746 mmHg
64%
7.3
m/s
NE
Climate normal
+22
+18
13 September, Friday. day, 24°; night, 22°; light rain
14
+21
+13
14 September, sat
+21
+13
Feels like
+18
739 mmHg
83%
6.6
m/s
SW
Climate normal
+21
+18
14 September, Saturday. day, 21°; night, 13°; rain
15
+18
+11
15 September, sun
+18
+11
Feels like
+11
743 mmHg
69%
5.2
m/s
W
Climate normal
+20
+18
15 September, Sunday. day, 18°; night, 11°; clear
16
+21
+10
16 September, mon
+21
+10
Feels like
+14
744 mmHg
80%
2
m/s
NW
Climate normal
+22
+17
16 September, Monday. day, 21°; night, 10°; clear
17
+20
+13
17 September, tue
+20
+13
Feels like
+16
744 mmHg
81%
1.5
m/s
E
Climate normal
+22
+18
17 September, Tuesday. day, 20°; night, 13°; mostly clear
18
+21
+13
18 September, wed
+21
+13
Feels like
+17
746 mmHg
81%
2.2
m/s
E
Climate normal
+21
+18
18 September, Wednesday. day, 21°; night, 13°; clear
19
+21
+14
19 September, thu
+21
+14
Feels like
+17
746 mmHg
82%
2.4
m/s
NE
Climate normal
+24
+18
19 September, Thursday. day, 21°; night, 14°; clear
20
+19
+15
20 September, fri
+19
+15
Feels like
+16
746 mmHg
81%
3
m/s
NE
Climate normal
+23
+20
20 September, Friday. day, 19°; night, 15°; partly cloudy
21
+20
+14
21 September, sat
+20
+14
Feels like
+16
746 mmHg
77%
3.3
m/s
NE
Climate normal
+22
+18
21 September, Saturday. day, 20°; night, 14°; mostly clear
22
+22
+16
22 September, sun
+22
+16
Feels like
+17
747 mmHg
79%
3.5
m/s
E
Climate normal
+23
+18
22 September, Sunday. day, 22°; night, 16°; clear
23
+23
+17
23 September, mon
+23
+17
Feels like
+18
746 mmHg
77%
3.6
m/s
E
Climate normal
+21
+19
23 September, Monday. day, 23°; night, 17°; clear
24
+24
+19
24 September, tue
+24
+19
Feels like
+19
742 mmHg
75%
4.4
m/s
SE
Climate normal
+21
+18
24 September, Tuesday. day, 24°; night, 19°; mostly clear
25
+20
+14
25 September, wed
+20
+14
Feels like
+17
742 mmHg
79%
5.9
m/s
NW
Climate normal
+21
+18
25 September, Wednesday. day, 20°; night, 14°; light rain
26
+18
+12
26 September, thu
+18
+12
Feels like
+10
743 mmHg
56%
6.1
m/s
NW
Climate normal
+20
+17
26 September, Thursday. day, 18°; night, 12°; clear
27
+15
+14
27 September, fri
+15
+14
Feels like
+8
742 mmHg
72%
6.4
m/s
N
Climate normal
+20
+16
27 September, Friday. day, 15°; night, 14°; partly cloudy
28
+18
+14
28 September, sat
+18
+14
Feels like
+13
741 mmHg
73%
5
m/s
N
Climate normal
+18
+17
28 September, Saturday. day, 18°; night, 14°; partly cloudy
29
+20
+14
29 September, sun
+20
+14
Feels like
+16
742 mmHg
76%
2.7
m/s
N
Climate normal
+17
+15
29 September, Sunday. day, 20°; night, 14°; partly cloudy
30
+19
+12
30 September, mon
+19
+12
Feels like
+15
744 mmHg
75%
2.8
m/s
NE
Climate normal
+17
+14
30 September, Monday. day, 19°; night, 12°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
1 October
+17
+14
1 October, tue
+17
+14
Feels like
+14
746 mmHg
67%
7
m/s
NE
+17
1 October, Tuesday. day, 17°; night, 14°; rain
2
+17
+14
2 October, wed
+17
+14
Feels like
+14
746 mmHg
72%
6.1
m/s
N
+16
2 October, Wednesday. day, 17°; night, 14°; partly cloudy
3
+16
+14
3 October, thu
+16
+14
Feels like
+14
748 mmHg
75%
5.8
m/s
SW
+16
3 October, Thursday. day, 16°; night, 14°; rain
4
+19
+14
4 October, fri
+19
+14
Feels like
+17
748 mmHg
63%
5.5
m/s
S
+16
4 October, Friday. day, 19°; night, 14°; partly cloudy
5
+18
+15
5 October, sat
+18
+15
Feels like
+15
745 mmHg
66%
5.9
m/s
S
+16
5 October, Saturday. day, 18°; night, 15°; rain
Average for 30 days
16
sunny days
4
days with precipitation
10
cloudy days
16 sunny days; 4 days with precipitation; 10 cloudy days;
68
%
air humidity
5.1
m/s
Wind
N
4
mm of precipitation
(1% of annual average)
+21
°C
Water temperature
air humidity 68%; 4 millimeters of precipitation (1% of annual average); Wind northerly 5.1 Meters per second; Water temperature +21°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
E
E
E
SW
N
N
SW
SW
SW
N
N
NE
SW
W
NW
E
E
NE
NE
NE
E
E
SE
NW
NW
N
N
N
NE
1
September
Average data for 10 years
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
29
30
Daytime temperature
Night-time temperature
