24.12
wed
wed
Day
41°F
NW 7 mph
Precip.
0%
0%
Night
36°F
SE 6 mph
Precip.
0%
0%
25.12
thu
thu
Day
37°F
SW 11 mph
Precip.
0%
0%
Night
36°F
NW 14 mph
Precip.
0%
0%
26.12
fri
fri
Day
36°F
S 4 mph
Precip.
0%
0%
Night
39°F
W 6 mph
Precip.
79%
79%
27.12
sat
sat
Day
43°F
NW 7 mph
Precip.
0%
0%
Night
43°F
NW 3 mph
Precip.
0%
0%
28.12
sun
sun
Day
30°F
E 19 mph
Precip.
0%
0%
Night
18°F
SE 21 mph
Precip.
0%
0%
29.12
mon
mon
Day
18°F
SE 19 mph
Precip.
0%
0%
Night
18°F
SE 14 mph
Precip.
0%
0%
30.12
tue
tue
Day
21°F
E 9 mph
Precip.
0%
0%
Night
27°F
NE 12 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
E 12 mph
Precip.
0%
0%
Night
34°F
E 11 mph
Precip.
0%
0%
01.01
thu
thu
Day
25°F
S 20 mph
Precip.
0%
0%
Night
18°F
SE 16 mph
Precip.
0%
0%
02.01
fri
fri
Day
19°F
SE 11 mph
Precip.
0%
0%
Night
21°F
SE 5 mph
Precip.
0%
0%
03.01
sat
sat
Day
27°F
NE 5 mph
Precip.
0%
0%
Night
28°F
NE 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
32°F
W 3 mph
Precip.
77%
77%
Night
32°F
W 5 mph
Precip.
100%
100%
05.01
mon
mon
Day
32°F
W 9 mph
Precip.
0%
0%
Night
30°F
N 5 mph
Precip.
0%
0%
06.01
tue
tue
Day
32°F
NW 1 mph
Precip.
0%
0%
Night
34°F
SW 7 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 39.6°F. The highest and lowest sea temperatures during the month were 44.8°F and 36.1°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: 07:40
December 24, wednesday
0900
36°F
NW
7 mph
7 mph
1200
41°F
NW
7 mph
7 mph
1500
48°F
NW
7 mph
7 mph
1800
37°F
NW
7 mph
7 mph
2100
34°F
N
2 mph
2 mph
December 25, thursday
0000
36°F
SE
6 mph
6 mph
0300
34°F
S
7 mph
7 mph
0600
36°F
S
8 mph
8 mph
