30.12
tue
tue
Day
19°F
E 12 mph
Precip.
0%
0%
Night
27°F
E 15 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
SE 15 mph
Precip.
0%
0%
Night
19°F
SE 12 mph
Precip.
0%
0%
01.01
thu
thu
Day
19°F
SE 9 mph
Precip.
0%
0%
Night
21°F
E 8 mph
Precip.
0%
0%
02.01
fri
fri
Day
23°F
SE 6 mph
Precip.
0%
0%
Night
25°F
SE 8 mph
Precip.
0%
0%
03.01
sat
sat
Day
28°F
S 5 mph
Precip.
0%
0%
Night
30°F
NW 3 mph
Precip.
0%
0%
04.01
sun
sun
Day
34°F
N 11 mph
Precip.
0%
0%
Night
34°F
N 11 mph
Precip.
0%
0%
05.01
mon
mon
Day
39°F
N 7 mph
Precip.
0%
0%
Night
37°F
SE 17 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 38.6°F. The highest and lowest sea temperatures during the month were 44.8°F and 34.5°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: 13:57
December 30, tuesday
1500
19°F
E
14 mph
14 mph
1800
25°F
NE
16 mph
16 mph
2100
27°F
E
17 mph
17 mph
December 31, wednesday
0000
27°F
E
15 mph
15 mph
0300
27°F
E
11 mph
11 mph
0600
27°F
SE
12 mph
12 mph
0900
28°F
E
14 mph
14 mph
1200
30°F
SE
15 mph
15 mph
