Measurements:
°C
°F
CURRENT WEATHER
12:19
Chicago
88°F
SW 4 mph
Feels like: 100°F
Precip: 9%
World Resorts USA Chicago Weather

7 Day Weather Forecast

07.15
wed
DAY
88°F
SW 4 mph
precip
9%
NIGHT
82°F
SW 3 mph
precip
8%
07.16
thu
DAY
88°F
SW 6 mph
precip
17%
NIGHT
80°F
SW 5 mph
precip
5%
07.17
fri
DAY
90°F
W 6 mph
precip
2%
NIGHT
80°F
E 6 mph
precip
15%
07.18
sat
DAY
92°F
NE 14 mph
precip
3%
NIGHT
76°F
S 12 mph
precip
23%
07.19
sun
DAY
82°F
SW 6 mph
precip
15%
NIGHT
82°F
NW 2 mph
precip
4%
07.20
mon
DAY
90°F
NW 3 mph
precip
3%
NIGHT
78°F
NW 4 mph
precip
73%
07.21
tue
DAY
88°F
NE 11 mph
precip
7%
NIGHT
76°F
S 14 mph
precip
24%

Chicago Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Chicago was 21.5°F. The maximum and minimum values were 18.9°F and 25.1°F respectively.

Chicago on the Weather Map

Best Time to Visit Chicago
The most sunny months:
September 17 days
June 16 days
August 16 days
The most warm months:
July 83.8 °F
August 83.2 °F
June 76.6 °F
Warmest sea temperature:
August 72.5 °F
July 70.2 °F
September 67.9 °F
The most cold months:
January 25.6 °F
February 29.0 °F
December 34.1 °F
The most rainy months:
June 6 days
May 6 days
July 5 days
The most windy months:
November 12 mph
January 12 mph
February 11 mph
more details