Measurements:
°C
°F
CURRENT WEATHER
11:07
Chicago
70°F
N 9 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Chicago Weather

7 Day Weather Forecast

04.23
thu
DAY
70°F
N 9 mph
precip
0%
NIGHT
64°F
N 12 mph
precip
0%
04.24
fri
DAY
64°F
NE 9 mph
precip
89%
NIGHT
56°F
SE 11 mph
precip
0%
04.25
sat
DAY
58°F
S 7 mph
precip
0%
NIGHT
52°F
N 5 mph
precip
0%
04.26
sun
DAY
54°F
SW 8 mph
precip
0%
NIGHT
50°F
NW 12 mph
precip
0%
04.27
mon
DAY
58°F
NW 12 mph
precip
100%
NIGHT
48°F
W 17 mph
precip
100%
04.28
tue
DAY
44°F
NE 17 mph
precip
100%
NIGHT
46°F
SE 9 mph
precip
0%
04.29
wed
DAY
54°F
S 9 mph
precip
0%
NIGHT
48°F
SW 4 mph
precip
0%

Chicago Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Chicago was 5.5°F. The maximum and minimum values were 3.8°F and 9.7°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 25.6 °F
February 29.0 °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