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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
+22
+17
16 September, mon
+22
+17
Feels like
+21
748 mmHg
62%
5.6
m/s
SE
+19
16 September, Monday. day, 22°; night, 17°; clear
17
+22
+18
17 September, tue
+22
+18
Feels like
+22
747 mmHg
74%
5.5
m/s
S
+19
17 September, Tuesday. day, 22°; night, 18°; rain
18
+21
+18
18 September, wed
+21
+18
Feels like
+19
747 mmHg
70%
5.6
m/s
E
+19
18 September, Wednesday. day, 21°; night, 18°; clear
19
+24
+18
19 September, thu
+24
+18
Feels like
+22
746 mmHg
62%
6.1
m/s
S
+19
19 September, Thursday. day, 24°; night, 18°; clear
20
September
+30
+19
20 September, fri
+30
+19
Feels like
+27
742 mmHg
61%
4.7
m/s
SW
+22
Climate normal
+23
+20
20 September, Friday. day, 30°; night, 19°; mostly clear
21
+30
+21
21 September, sat
+30
+21
Feels like
+26
743 mmHg
57%
4
m/s
SE
+23
Climate normal
+22
+18
21 September, Saturday. day, 30°; night, 21°; partly cloudy
22
+22
+17
22 September, sun
+22
+17
Feels like
+18
742 mmHg
85%
7.8
m/s
SW
+21
Climate normal
+23
+18
22 September, Sunday. day, 22°; night, 17°; rain
23
+19
+17
23 September, mon
+19
+17
Feels like
+14
744 mmHg
73%
7
m/s
NE
+21
Climate normal
+21
+19
23 September, Monday. day, 19°; night, 17°; rain
24
+19
+16
24 September, tue
+19
+16
Feels like
+16
743 mmHg
85%
5.3
m/s
NW
+19
Climate normal
+21
+18
24 September, Tuesday. day, 19°; night, 16°; rain
25
+21
+17
25 September, wed
+21
+17
Feels like
+18
745 mmHg
79%
4.3
m/s
NE
+21
Climate normal
+21
+18
25 September, Wednesday. day, 21°; night, 17°; partly cloudy
26
+21
+16
26 September, thu
+21
+16
Feels like
+17
745 mmHg
78%
5.1
m/s
NE
+20
Climate normal
+20
+17
26 September, Thursday. day, 21°; night, 16°; light rain
27
+20
+16
27 September, fri
+20
+16
Feels like
+17
744 mmHg
81%
4.9
m/s
E
+19
Climate normal
+20
+16
27 September, Friday. day, 20°; night, 16°; light rain
28
+22
+17
28 September, sat
+22
+17
Feels like
+19
742 mmHg
79%
4.8
m/s
S
+21
Climate normal
+18
+17
28 September, Saturday. day, 22°; night, 17°; light rain
29
+23
+18
29 September, sun
+23
+18
Feels like
+20
745 mmHg
74%
4.3
m/s
E
+17
Climate normal
+17
+15
29 September, Sunday. day, 23°; night, 18°; partly cloudy
30
+23
+18
30 September, mon
+23
+18
Feels like
+21
744 mmHg
71%
5.1
m/s
NE
Climate normal
+17
+14
30 September, Monday. day, 23°; night, 18°; partly cloudy
1 October
+22
+16
1 October, tue
+22
+16
Feels like
+14
745 mmHg
60%
8.1
m/s
N
Climate normal
+17
+14
1 October, Tuesday. day, 22°; night, 16°; partly cloudy
2
+21
+15
2 October, wed
+21
+15
Feels like
+13
744 mmHg
65%
5.7
m/s
W
Climate normal
+17
+14
2 October, Wednesday. day, 21°; night, 15°; mostly clear
3
+21
+15
3 October, thu
+21
+15
Feels like
+15
745 mmHg
74%
2.3
m/s
SE
Climate normal
+16
+14
3 October, Thursday. day, 21°; night, 15°; mostly clear
4
+23
+17
4 October, fri
+23
+17
Feels like
+17
744 mmHg
76%
4.7
m/s
S
Climate normal
+19
+14
4 October, Friday. day, 23°; night, 17°; clear
5
+24
+18
5 October, sat
+24
+18
Feels like
+19
743 mmHg
68%
5
m/s
S
Climate normal
+18
+15
5 October, Saturday. day, 24°; night, 18°; mostly clear
6
+25
+18
6 October, sun
+25
+18
Feels like
+19
743 mmHg
70%
5.1
m/s
S
Climate normal
+19
+14
6 October, Sunday. day, 25°; night, 18°; clear
7
+25
+18
7 October, mon
+25
+18
Feels like
+19
741 mmHg
63%
3.8
m/s
SW
Climate normal
+19
+15
7 October, Monday. day, 25°; night, 18°; clear
8
+26
+19
8 October, tue
+26
+19
Feels like
+20
740 mmHg
68%
3.8
m/s
S
Climate normal
+18
+15
8 October, Tuesday. day, 26°; night, 19°; clear
9
+27
+21
9 October, wed
+27
+21
Feels like
+23
739 mmHg
67%
3.7
m/s
S
Climate normal
+18
+14
9 October, Wednesday. day, 27°; night, 21°; clear
10
+22
+10
10 October, thu
+22
+10
Feels like
+16
733 mmHg
77%
11
m/s
SW
Climate normal
+17
+13
10 October, Thursday. day, 22°; night, 10°; rain
11
+12
+7
11 October, fri
+12
+7
Feels like
+3
744 mmHg
57%
7.2
m/s
W
Climate normal
+19
+14
11 October, Friday. day, 12°; night, 7°; mostly clear
12
+10
+4
12 October, sat
+10
+4
Feels like
+2
743 mmHg
67%
5.3
m/s
W
Climate normal
+17
+15
12 October, Saturday. day, 10°; night, 4°; mostly clear
13
+7
+2
13 October, sun
+7
+2
Feels like
−1
745 mmHg
75%
5.7
m/s
NW
Climate normal
+16
+13
13 October, Sunday. day, 7°; night, 2°; light rain
14
+8
+3
14 October, mon
+8
+3
Feels like
−1
750 mmHg
63%
3.4
m/s
NW
Climate normal
+15
+14
14 October, Monday. day, 8°; night, 3°; clear
15
+11
+6
15 October, tue
+11
+6
Feels like
+1
749 mmHg
54%
4.9
m/s
SW
Climate normal
+14
+11
15 October, Tuesday. day, 11°; night, 6°; clear
16
+14
+9
16 October, wed
+14
+9
Feels like
+4
747 mmHg
54%
5.5
m/s
S
Climate normal
+14
+11
16 October, Wednesday. day, 14°; night, 9°; clear
17
+16
+11
17 October, thu
+16
+11
Feels like
+8
746 mmHg
57%
3.6
m/s
SW
Climate normal
+14
+11
17 October, Thursday. day, 16°; night, 11°; mostly clear
18
+19
+12
18 October, fri
+19
+12
Feels like
+10
747 mmHg
57%
4
m/s
S
Climate normal
+15
+12
18 October, Friday. day, 19°; night, 12°; clear
19
+19
+14
19 October, sat
+19
+14
Feels like
+9
744 mmHg
51%
6.4
m/s
SW
Climate normal
+16
+12
19 October, Saturday. day, 19°; night, 14°; clear
Average for 30 days
17
sunny days
8
days with precipitation
5
cloudy days
17 sunny days; 8 days with precipitation; 5 cloudy days;
68
%
air humidity
5.2
m/s
Wind
S
26
mm of precipitation
(4% of annual average)
+20
°C
Water temperature
air humidity 68%; 26 millimeters of precipitation (4% of annual average); Wind southerly 5.2 Meters per second; Water temperature +20°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SE
SW
NE
NW
NE
NE
E
S
E
NE
N
W
SE
S
S
S
SW
S
S
SW
W
W
NW
NW
SW
S
SW
S
SW
20
Average data for 10 years
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
16
17
18
19
Daytime temperature
Night-time temperature
