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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
15
+20
+18
15 September, sun
+20
+18
Feels like
+18
750 mmHg
62%
5.9
m/s
E
+19
15 September, Sunday. day, 20°; night, 18°; partly cloudy
16
September
+28
+18
16 September, mon
+28
+18
Feels like
+25
750 mmHg
51%
4
m/s
E
+23
Climate normal
+22
+17
16 September, Monday. day, 28°; night, 18°; mostly clear
17
+27
+16
17 September, tue
+27
+16
Feels like
+23
748 mmHg
57%
4
m/s
NE
+22
Climate normal
+22
+18
17 September, Tuesday. day, 27°; night, 16°; mostly clear
18
+26
+18
18 September, wed
+26
+18
Feels like
+22
746 mmHg
60%
4.1
m/s
NE
+22
Climate normal
+21
+18
18 September, Wednesday. day, 26°; night, 18°; clear
19
+27
+19
19 September, thu
+27
+19
Feels like
+25
745 mmHg
63%
4
m/s
E
+23
Climate normal
+24
+18
19 September, Thursday. day, 27°; night, 19°; partly cloudy
20
+27
+20
20 September, fri
+27
+20
Feels like
+25
743 mmHg
62%
3.9
m/s
S
+23
Climate normal
+23
+20
20 September, Friday. day, 27°; night, 20°; partly cloudy
21
+25
+21
21 September, sat
+25
+21
Feels like
+22
745 mmHg
72%
5.2
m/s
E
+23
Climate normal
+22
+18
21 September, Saturday. day, 25°; night, 21°; mostly clear
22
+24
+20
22 September, sun
+24
+20
Feels like
+22
745 mmHg
71%
4.6
m/s
E
+22
Climate normal
+23
+18
22 September, Sunday. day, 24°; night, 20°; mostly clear
23
+23
+18
23 September, mon
+23
+18
Feels like
+20
745 mmHg
70%
6.1
m/s
S
+23
Climate normal
+21
+19
23 September, Monday. day, 23°; night, 18°; partly cloudy
24
+24
+18
24 September, tue
+24
+18
Feels like
+19
743 mmHg
74%
5.3
m/s
S
+23
Climate normal
+21
+18
24 September, Tuesday. day, 24°; night, 18°; mostly clear
25
+25
+20
25 September, wed
+25
+20
Feels like
+21
744 mmHg
72%
5.1
m/s
W
+24
Climate normal
+21
+18
25 September, Wednesday. day, 25°; night, 20°; mostly clear
26
+24
+20
26 September, thu
+24
+20
Feels like
+21
745 mmHg
70%
4.9
m/s
S
Climate normal
+20
+17
26 September, Thursday. day, 24°; night, 20°; partly cloudy
27
+30
+22
27 September, fri
+30
+22
Feels like
+26
746 mmHg
60%
5.5
m/s
SW
Climate normal
+20
+16
27 September, Friday. day, 30°; night, 22°; partly cloudy
28
+28
+22
28 September, sat
+28
+22
Feels like
+24
745 mmHg
67%
5.9
m/s
N
Climate normal
+18
+17
28 September, Saturday. day, 28°; night, 22°; rain
29
+26
+19
29 September, sun
+26
+19
Feels like
+22
733 mmHg
76%
5.2
m/s
SW
Climate normal
+17
+15
29 September, Sunday. day, 26°; night, 19°; rain
30
+21
+17
30 September, mon
+21
+17
Feels like
+18
734 mmHg
86%
4.4
m/s
W
Climate normal
+17
+14
30 September, Monday. day, 21°; night, 17°; rain
1 October
+16
+10
1 October, tue
+16
+10
Feels like
+9
736 mmHg
92%
8
m/s
NW
Climate normal
+17
+14
1 October, Tuesday. day, 16°; night, 10°; rain
2
+15
+9
2 October, wed
+15
+9
Feels like
+8
739 mmHg
79%
4.8
m/s
NW
Climate normal
+17
+14
2 October, Wednesday. day, 15°; night, 9°; mostly clear
3
+19
+13
3 October, thu
+19
+13
Feels like
+12
743 mmHg
72%
3
m/s
SE
Climate normal
+16
+14
3 October, Thursday. day, 19°; night, 13°; clear
4
+23
+20
4 October, fri
+23
+20
Feels like
+17
743 mmHg
74%
5.2
m/s
SE
Climate normal
+19
+14
4 October, Friday. day, 23°; night, 20°; clear
5
+22
+19
5 October, sat
+22
+19
Feels like
+21
742 mmHg
91%
4.3
m/s
S
Climate normal
+18
+15
5 October, Saturday. day, 22°; night, 19°; rain
6
+25
+18
6 October, sun
+25
+18
Feels like
+21
743 mmHg
83%
1.3
m/s
W
Climate normal
+19
+14
6 October, Sunday. day, 25°; night, 18°; mostly clear
7
+27
+20
7 October, mon
+27
+20
Feels like
+24
744 mmHg
76%
2.8
m/s
S
Climate normal
+19
+15
7 October, Monday. day, 27°; night, 20°; clear
8
+26
+21
8 October, tue
+26
+21
Feels like
+22
743 mmHg
76%
5.4
m/s
S
Climate normal
+18
+15
8 October, Tuesday. day, 26°; night, 21°; light rain
9
+25
+20
9 October, wed
+25
+20
Feels like
+22
742 mmHg
70%
5.1
m/s
SW
Climate normal
+18
+14
9 October, Wednesday. day, 25°; night, 20°; mostly clear
10
+25
+19
10 October, thu
+25
+19
Feels like
+20
740 mmHg
78%
7.2
m/s
SW
Climate normal
+17
+13
10 October, Thursday. day, 25°; night, 19°; rain
11
+16
+9
11 October, fri
+16
+9
Feels like
+9
740 mmHg
95%
8.7
m/s
N
Climate normal
+19
+14
11 October, Friday. day, 16°; night, 9°; rain
12
+9
+11
12 October, sat
+9
+11
Feels like
+1
741 mmHg
93%
10.7
m/s
N
Climate normal
+17
+15
12 October, Saturday. day, 9°; night, 11°; rain
13
+14
+10
13 October, sun
+14
+10
Feels like
+10
739 mmHg
92%
4.4
m/s
S
Climate normal
+16
+13
13 October, Sunday. day, 14°; night, 10°; light rain
14
+12
+10
14 October, mon
+12
+10
Feels like
+6
741 mmHg
87%
6.5
m/s
S
Climate normal
+15
+14
14 October, Monday. day, 12°; night, 10°; light rain
15
+17
+12
15 October, tue
+17
+12
Feels like
+9
742 mmHg
74%
6.6
m/s
S
Climate normal
+14
+11
15 October, Tuesday. day, 17°; night, 12°; clear
Average data for 10 years
Next, the average data for 10 years
16
+14
+11
16 October, wed
+14
+11
Feels like
+10
746 mmHg
64%
7.3
m/s
W
+14
16 October, Wednesday. day, 14°; night, 11°; clear
17
+14
+11
17 October, thu
+14
+11
Feels like
+10
746 mmHg
63%
6.4
m/s
S
+14
17 October, Thursday. day, 14°; night, 11°; partly cloudy
18
+15
+12
18 October, fri
+15
+12
Feels like
+10
744 mmHg
60%
7.5
m/s
SW
+14
18 October, Friday. day, 15°; night, 12°; partly cloudy
19
+16
+12
19 October, sat
+16
+12
Feels like
+13
744 mmHg
62%
8.1
m/s
SW
+14
19 October, Saturday. day, 16°; night, 12°; rain
Average for 30 days
14
sunny days
11
days with precipitation
5
cloudy days
14 sunny days; 11 days with precipitation; 5 cloudy days;
75
%
air humidity
5.2
m/s
Wind
S
26
mm of precipitation
(4% of annual average)
+23
°C
Water temperature
air humidity 75%; 26 millimeters of precipitation (4% of annual average); Wind southerly 5.2 Meters per second; Water temperature +23°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
NE
NE
E
S
E
E
S
S
W
S
SW
N
SW
W
NW
NW
SE
SE
S
W
S
S
SW
SW
N
N
S
S
S
16
Average data for 10 years
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Daytime temperature
Night-time temperature
