25.12
thu
thu
Day
39°F
SW 11 mph
Precip.
64%
64%
Night
39°F
NW 14 mph
Precip.
69%
69%
26.12
fri
fri
Day
41°F
SE 7 mph
Precip.
0%
0%
Night
39°F
S 5 mph
Precip.
0%
0%
27.12
sat
sat
Day
39°F
NW 7 mph
Precip.
0%
0%
Night
41°F
NW 10 mph
Precip.
0%
0%
28.12
sun
sun
Day
48°F
E 5 mph
Precip.
0%
0%
Night
37°F
SE 16 mph
Precip.
100%
100%
29.12
mon
mon
Day
25°F
SE 19 mph
Precip.
62%
62%
Night
21°F
SE 12 mph
Precip.
0%
0%
30.12
tue
tue
Day
25°F
E 12 mph
Precip.
0%
0%
Night
32°F
E 13 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
SE 10 mph
Precip.
0%
0%
Night
30°F
W 2 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 39.4°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: 19:46
December 25, thursday
2100
39°F
NW
14 mph
14 mph
December 26, friday
0000
39°F
NW
14 mph
14 mph
0300
39°F
NW
13 mph
13 mph
0600
43°F
N
11 mph
11 mph
0900
37°F
NE
5 mph
5 mph
1200
41°F
SE
7 mph
7 mph
1500
41°F
SE
8 mph
8 mph
1800
41°F
SE
8 mph
8 mph
