15.01
thu
thu
Day
19°F
SE 9 mph
Precip.
0%
0%
Night
23°F
NE 13 mph
Precip.
100%
100%
16.01
fri
fri
Day
32°F
E 14 mph
Precip.
0%
0%
Night
28°F
E 14 mph
Precip.
0%
0%
17.01
sat
sat
Day
16°F
E 16 mph
Precip.
0%
0%
Night
19°F
E 12 mph
Precip.
0%
0%
18.01
sun
sun
Day
16°F
NE 11 mph
Precip.
0%
0%
Night
18°F
E 11 mph
Precip.
100%
100%
19.01
mon
mon
Day
14°F
SE 16 mph
Precip.
20%
20%
Night
9°F
E 13 mph
Precip.
0%
0%
20.01
tue
tue
Day
7°F
SE 16 mph
Precip.
25%
25%
Night
7°F
E 9 mph
Precip.
0%
0%
21.01
wed
wed
Day
14°F
N 14 mph
Precip.
100%
100%
Night
18°F
SE 14 mph
Precip.
71%
71%
22.01
thu
thu
Day
18°F
NE 6 mph
Precip.
0%
0%
Night
25°F
N 14 mph
Precip.
0%
0%
23.01
fri
fri
Day
37°F
NE 14 mph
Precip.
100%
100%
Night
34°F
SE 7 mph
Precip.
100%
100%
24.01
sat
sat
Day
28°F
S 12 mph
Precip.
23%
23%
Night
18°F
SE 15 mph
Precip.
0%
0%
25.01
sun
sun
Day
10°F
S 11 mph
Precip.
0%
0%
Night
14°F
SE 2 mph
Precip.
0%
0%
26.01
mon
mon
Day
21°F
N 10 mph
Precip.
0%
0%
Night
25°F
N 12 mph
Precip.
0%
0%
27.01
tue
tue
Day
32°F
N 11 mph
Precip.
0%
0%
Night
32°F
NE 6 mph
Precip.
56%
56%
28.01
wed
wed
Day
34°F
E 4 mph
Precip.
47%
47%
Night
34°F
NE 4 mph
Precip.
0%
0%
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 36.4°F. The highest and lowest sea temperatures during the month were 38.1°F and 35.1°F.
Air temperature in Chicago, °F
Precipitation total in Chicago, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Chicago
Chicago on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chicago
Local time: 06:37
January 15, thursday
0900
16°F
SE
13 mph
13 mph
1200
19°F
SE
9 mph
9 mph
1500
23°F
E
8 mph
8 mph
1800
23°F
NE
9 mph
9 mph
2100
23°F
NE
11 mph
11 mph
January 16, friday
0000
23°F
NE
13 mph
13 mph
0300
23°F
N
14 mph
14 mph
0600
25°F
NE
14 mph
14 mph
