World Resorts

USA

Chicago Weather

Chicago 14 Days Forecast

25.08
tue

Day

73°F

W 6 mph

Precip.
14%

Night

68°F

N 7 mph

Precip.
20%

26.08
wed

Day

79°F

NE 11 mph

Precip.
15%

Night

72°F

E 6 mph

Precip.
14%

27.08
thu

Day

73°F

S 9 mph

Precip.
4%

Night

72°F

NE 7 mph

Precip.
8%

28.08
fri

Day

79°F

SW 4 mph

Precip.
2%

Night

66°F

SW 7 mph

Precip.
20%

29.08
sat

Day

79°F

N 9 mph

Precip.
3%

Night

70°F

N 11 mph

Precip.
20%

30.08
sun

Day

84°F

NE 17 mph

Precip.
10%

Night

75°F

N 8 mph

Precip.
30%

31.08
mon

Day

79°F

NE 10 mph

Precip.
36%

Night

79°F

NE 10 mph

Precip.
17%

01.09
tue

Day

73°F

SE 11 mph

Precip.
11%

Night

66°F

S 14 mph

Precip.
14%

02.09
wed

Day

64°F

S 13 mph

Precip.
37%

Night

64°F

S 15 mph

Precip.
23%

03.09
thu

Day

63°F

W 6 mph

Precip.
14%

Night

55°F

NW 4 mph

Precip.
32%

04.09
fri

Day

63°F

W 7 mph

Precip.
10%

Night

63°F

SW 13 mph

Precip.
16%

05.09
sat

Day

66°F

SW 11 mph

Precip.
5%

Night

64°F

SW 9 mph

Precip.
11%

06.09
sun

Day

68°F

SW 7 mph

Precip.
3%

Night

64°F

NW 7 mph

Precip.
15%

07.09
mon

Day

59°F

NW 3 mph

Precip.
81%

Night

59°F

NW 8 mph

Precip.
27%

sea water
temperature

Chicago

monthly
weather

Chicago

current
weather

Chicago

7 days
forecast

Chicago

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in August of 2026 was 72.4°F. The highest and lowest sea temperatures during the month were 74.3°F and 68.5°F.

Show year:

2025

2024

2023

The average sea water temperature in September of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 70.2°F and 59.0°F.