21.12
sun
sun
Day
27°F
SE 4 mph
Precip.
0%
0%
Night
27°F
N 8 mph
Precip.
0%
0%
22.12
mon
mon
Day
36°F
N 14 mph
Precip.
0%
0%
Night
34°F
NE 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
36°F
SE 9 mph
Precip.
0%
0%
Night
37°F
SE 6 mph
Precip.
0%
0%
24.12
wed
wed
Day
41°F
NW 9 mph
Precip.
0%
0%
Night
46°F
NE 6 mph
Precip.
100%
100%
25.12
thu
thu
Day
45°F
NW 3 mph
Precip.
26%
26%
Night
48°F
SE 4 mph
Precip.
29%
29%
26.12
fri
fri
Day
37°F
S 15 mph
Precip.
0%
0%
Night
34°F
SW 11 mph
Precip.
45%
45%
27.12
sat
sat
Day
34°F
W 6 mph
Precip.
0%
0%
Night
34°F
N 5 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 40.0°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: 02:54
December 21, sunday
0300
25°F
SE
14 mph
14 mph
0600
19°F
SE
12 mph
12 mph
0900
18°F
SE
9 mph
9 mph
1200
27°F
SE
4 mph
4 mph
1500
32°F
E
5 mph
5 mph
1800
30°F
NE
4 mph
4 mph
2100
27°F
N
6 mph
6 mph
December 22, monday
0000
27°F
N
8 mph
8 mph
