Measurements:
°C
°F
CURRENT WEATHER
12:35
Chicago
82°F
NE 5 mph
Feels like: 84°F
Precip: 5%
World Resorts USA Chicago Weather

7 Day Weather Forecast

08.05
wed
DAY
82°F
NE 5 mph
precip
5%
NIGHT
72°F
W 5 mph
precip
86%
08.06
thu
DAY
76°F
NE 8 mph
precip
37%
NIGHT
74°F
N 6 mph
precip
23%
08.07
fri
DAY
84°F
NW 6 mph
precip
6%
NIGHT
76°F
E 5 mph
precip
21%
08.08
sat
DAY
88°F
N 5 mph
precip
4%
NIGHT
80°F
N 8 mph
precip
14%
08.09
sun
DAY
88°F
E 7 mph
precip
4%
NIGHT
78°F
NW 3 mph
precip
27%
08.10
mon
DAY
74°F
S 10 mph
precip
63%
NIGHT
72°F
W 4 mph
precip
12%
08.11
tue
DAY
78°F
SW 6 mph
precip
4%
NIGHT
72°F
SW 4 mph
precip
8%

Chicago Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Chicago was 23.2°F. The maximum and minimum values were 20.6°F and 25.5°F respectively.

Chicago on the Weather Map

Best Time to Visit Chicago
The most sunny months:
September 17 days
June 16 days
July 16 days
The most warm months:
July 83.5 °F
August 83.2 °F
June 76.6 °F
Warmest sea temperature:
August 72.5 °F
July 70.5 °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
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