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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
8
+22
+19
8 September, sun
+22
+19
Feels like
+22
746 mmHg
70%
5.3
m/s
E
+20
8 September, Sunday. day, 22°; night, 19°; partly cloudy
9
+26
+15
9 September, mon
+26
+15
Feels like
+15
749 mmHg
51%
6.4
m/s
W
Climate normal
+22
+19
9 September, Monday. day, 26°; night, 15°; clear
10
September
+27
+16
10 September, tue
+27
+16
Feels like
+22
748 mmHg
43%
3.9
m/s
S
+22
Climate normal
+22
+19
10 September, Tuesday. day, 27°; night, 16°; mostly clear
11
+29
+18
11 September, wed
+29
+18
Feels like
+24
747 mmHg
46%
4.5
m/s
SE
+24
Climate normal
+23
+18
11 September, Wednesday. day, 29°; night, 18°; mostly clear
12
+28
+20
12 September, thu
+28
+20
Feels like
+25
748 mmHg
59%
5.1
m/s
NE
+24
Climate normal
+21
+18
12 September, Thursday. day, 28°; night, 20°; partly cloudy
13
+25
+21
13 September, fri
+25
+21
Feels like
+21
747 mmHg
61%
7
m/s
E
+22
Climate normal
+22
+18
13 September, Friday. day, 25°; night, 21°; overcast
14
+25
+20
14 September, sat
+25
+20
Feels like
+22
748 mmHg
71%
5
m/s
E
+24
Climate normal
+21
+18
14 September, Saturday. day, 25°; night, 20°; overcast
15
+25
+20
15 September, sun
+25
+20
Feels like
+23
748 mmHg
76%
4.9
m/s
NE
+25
Climate normal
+20
+18
15 September, Sunday. day, 25°; night, 20°; mostly clear
16
+26
+20
16 September, mon
+26
+20
Feels like
+23
747 mmHg
74%
4.4
m/s
E
+25
Climate normal
+22
+17
16 September, Monday. day, 26°; night, 20°; clear
17
+25
+19
17 September, tue
+25
+19
Feels like
+22
747 mmHg
70%
4.9
m/s
E
+25
Climate normal
+22
+18
17 September, Tuesday. day, 25°; night, 19°; clear
18
+27
+19
18 September, wed
+27
+19
Feels like
+23
746 mmHg
63%
4.8
m/s
E
+25
Climate normal
+21
+18
18 September, Wednesday. day, 27°; night, 19°; clear
19
+26
+20
19 September, thu
+26
+20
Feels like
+23
746 mmHg
64%
4.5
m/s
E
+25
Climate normal
+24
+18
19 September, Thursday. day, 26°; night, 20°; mostly clear
20
+26
+22
20 September, fri
+26
+22
Feels like
+22
744 mmHg
64%
5.7
m/s
SE
Climate normal
+23
+20
20 September, Friday. day, 26°; night, 22°; partly cloudy
21
+26
+17
21 September, sat
+26
+17
Feels like
+21
744 mmHg
67%
6.4
m/s
SE
Climate normal
+22
+18
21 September, Saturday. day, 26°; night, 17°; partly cloudy
22
+22
+15
22 September, sun
+22
+15
Feels like
+15
745 mmHg
65%
7.1
m/s
SW
Climate normal
+23
+18
22 September, Sunday. day, 22°; night, 15°; partly cloudy
23
+25
+17
23 September, mon
+25
+17
Feels like
+19
747 mmHg
69%
3.3
m/s
N
Climate normal
+21
+19
23 September, Monday. day, 25°; night, 17°; clear
24
+25
+18
24 September, tue
+25
+18
Feels like
+19
746 mmHg
69%
2.9
m/s
N
Climate normal
+21
+18
24 September, Tuesday. day, 25°; night, 18°; clear
25
+22
+16
25 September, wed
+22
+16
Feels like
+19
745 mmHg
77%
3.5
m/s
N
Climate normal
+21
+18
25 September, Wednesday. day, 22°; night, 16°; mostly clear
26
+23
+14
26 September, thu
+23
+14
Feels like
+17
745 mmHg
69%
2.4
m/s
NE
Climate normal
+20
+17
26 September, Thursday. day, 23°; night, 14°; clear
27
+26
+15
27 September, fri
+26
+15
Feels like
+17
745 mmHg
71%
0.9
m/s
E
Climate normal
+20
+16
27 September, Friday. day, 26°; night, 15°; clear
28
+26
+17
28 September, sat
+26
+17
Feels like
+19
744 mmHg
65%
2.2
m/s
W
Climate normal
+18
+17
28 September, Saturday. day, 26°; night, 17°; clear
29
+26
+18
29 September, sun
+26
+18
Feels like
+21
742 mmHg
69%
3.9
m/s
NW
Climate normal
+17
+15
29 September, Sunday. day, 26°; night, 18°; clear
30
+18
+9
30 September, mon
+18
+9
Feels like
+11
746 mmHg
50%
3.8
m/s
NE
Climate normal
+17
+14
30 September, Monday. day, 18°; night, 9°; clear
1 October
+21
+15
1 October, tue
+21
+15
Feels like
+13
746 mmHg
55%
3.4
m/s
SW
Climate normal
+17
+14
1 October, Tuesday. day, 21°; night, 15°; clear
2
+25
+19
2 October, wed
+25
+19
Feels like
+17
744 mmHg
66%
3.7
m/s
NW
Climate normal
+17
+14
2 October, Wednesday. day, 25°; night, 19°; clear
3
+23
+17
3 October, thu
+23
+17
Feels like
+17
746 mmHg
60%
3.5
m/s
E
Climate normal
+16
+14
3 October, Thursday. day, 23°; night, 17°; clear
4
+27
+15
4 October, fri
+27
+15
Feels like
+21
744 mmHg
71%
3.2
m/s
SW
Climate normal
+19
+14
4 October, Friday. day, 27°; night, 15°; rain
5
+16
+9
5 October, sat
+16
+9
Feels like
+8
750 mmHg
53%
6.7
m/s
E
Climate normal
+18
+15
5 October, Saturday. day, 16°; night, 9°; clear
6
+17
+9
6 October, sun
+17
+9
Feels like
+8
750 mmHg
51%
3.1
m/s
SE
Climate normal
+19
+14
6 October, Sunday. day, 17°; night, 9°; clear
7
+21
+17
7 October, mon
+21
+17
Feels like
+12
746 mmHg
50%
3.7
m/s
S
Climate normal
+19
+15
7 October, Monday. day, 21°; night, 17°; clear
8
+25
+20
8 October, tue
+25
+20
Feels like
+18
745 mmHg
56%
4.5
m/s
S
Climate normal
+18
+15
8 October, Tuesday. day, 25°; night, 20°; clear
9
+26
+19
9 October, wed
+26
+19
Feels like
+18
741 mmHg
52%
8.1
m/s
SW
Climate normal
+18
+14
9 October, Wednesday. day, 26°; night, 19°; mostly clear
Average data for 10 years
Next, the average data for 10 years
10
+17
+13
10 October, thu
+17
+13
Feels like
+14
748 mmHg
56%
5.8
m/s
SE
+15
10 October, Thursday. day, 17°; night, 13°; partly cloudy
11
+19
+14
11 October, fri
+19
+14
Feels like
+16
746 mmHg
62%
5.8
m/s
S
+15
11 October, Friday. day, 19°; night, 14°; clear
12
+17
+15
12 October, sat
+17
+15
Feels like
+14
747 mmHg
68%
5.6
m/s
NE
+15
12 October, Saturday. day, 17°; night, 15°; clear
Average for 30 days
24
sunny days
0
days with precipitation
6
cloudy days
24 sunny days; 0 days with precipitation; 6 cloudy days;
63
%
air humidity
4.4
m/s
Wind
E
1
mm of precipitation
(1% of annual average)
+24
°C
Water temperature
air humidity 63%; 1 millimeters of precipitation (1% of annual average); Wind easterly 4.4 Meters per second; Water temperature +24°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
SE
NE
E
E
NE
E
E
E
E
SE
SE
SW
N
N
N
NE
E
W
NW
NE
SW
NW
E
SW
E
SE
S
S
SW
10
Average data for 10 years
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
Daytime temperature
Night-time temperature
