27.12
sat
sat
Day
37°F
NW 7 mph
Precip.
74%
74%
Night
43°F
NW 9 mph
Precip.
100%
100%
28.12
sun
sun
Day
50°F
SE 1 mph
Precip.
0%
0%
Night
27°F
E 25 mph
Precip.
100%
100%
29.12
mon
mon
Day
16°F
SE 22 mph
Precip.
0%
0%
Night
14°F
SE 16 mph
Precip.
0%
0%
30.12
tue
tue
Day
18°F
E 11 mph
Precip.
0%
0%
Night
27°F
E 16 mph
Precip.
0%
0%
31.12
wed
wed
Day
28°F
E 12 mph
Precip.
0%
0%
Night
25°F
SE 8 mph
Precip.
100%
100%
01.01
thu
thu
Day
19°F
SE 11 mph
Precip.
100%
100%
Night
10°F
SE 13 mph
Precip.
0%
0%
02.01
fri
fri
Day
14°F
E 12 mph
Precip.
0%
0%
Night
19°F
E 4 mph
Precip.
0%
0%
03.01
sat
sat
Day
27°F
NW 11 mph
Precip.
0%
0%
Night
30°F
E 12 mph
Precip.
100%
100%
04.01
sun
sun
Day
28°F
E 12 mph
Precip.
0%
0%
Night
19°F
E 15 mph
Precip.
0%
0%
05.01
mon
mon
Day
19°F
SE 11 mph
Precip.
0%
0%
Night
21°F
N 6 mph
Precip.
0%
0%
06.01
tue
tue
Day
36°F
N 19 mph
Precip.
0%
0%
Night
39°F
N 13 mph
Precip.
0%
0%
07.01
wed
wed
Day
39°F
N 13 mph
Precip.
100%
100%
Night
48°F
N 12 mph
Precip.
100%
100%
08.01
thu
thu
Day
46°F
NE 17 mph
Precip.
100%
100%
Night
34°F
NE 19 mph
Precip.
0%
0%
09.01
fri
fri
Day
28°F
E 13 mph
Precip.
0%
0%
Night
27°F
E 9 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 39.1°F. The highest and lowest sea temperatures during the month were 44.8°F and 34.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 34.7°F. The highest and lowest sea temperatures during the month were 37.6°F and 33.3°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: 23:49
December 28, sunday
0000
43°F
NW
9 mph
9 mph
0300
45°F
NW
7 mph
7 mph
0600
45°F
N
6 mph
6 mph
0900
46°F
N
6 mph
6 mph
1200
50°F
SE
1 mph
1 mph
1500
48°F
E
1 mph
1 mph
1800
48°F
NE
10 mph
10 mph
2100
39°F
E
22 mph
22 mph
