Measurements:
°C
°F
CURRENT WEATHER
09:52
Chicago
0°F
SE 7 mph
Feels like: -12°F
Precip: 0%
World Resorts USA Chicago Weather

7 Day Weather Forecast

01.29
thu
DAY
16°F
SE 6 mph
precip
0%
NIGHT
4°F
SE 7 mph
precip
0%
01.30
fri
DAY
14°F
SW 14 mph
precip
0%
NIGHT
4°F
S 11 mph
precip
0%
01.31
sat
DAY
12°F
SW 17 mph
precip
0%
NIGHT
16°F
S 12 mph
precip
0%
02.01
sun
DAY
22°F
SE 11 mph
precip
89%
NIGHT
14°F
E 4 mph
precip
0%
02.02
mon
DAY
24°F
NE 12 mph
precip
0%
NIGHT
22°F
SE 6 mph
precip
0%
02.03
tue
DAY
26°F
N 1 mph
precip
0%
NIGHT
24°F
N 8 mph
precip
0%
02.04
wed
DAY
32°F
NE 11 mph
precip
100%
NIGHT
28°F
SE 10 mph
precip
68%

Chicago Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Chicago was 2.1°F. The maximum and minimum values were 0.9°F and 3.4°F respectively.

Chicago on the Weather Map

Best Time to Visit Chicago
The most sunny months:
September 17 days
August 16 days
July 15 days
The most warm months:
July 83.8 °F
August 83.2 °F
June 77.0 °F
Warmest sea temperature:
August 72.5 °F
July 70.2 °F
September 67.9 °F
The most cold months:
January 25.7 °F
February 28.7 °F
December 34.1 °F
The most rainy months:
June 7 days
May 6 days
July 5 days
The most windy months:
November 12 mph
January 12 mph
February 11 mph
more details