Current sea water temperature:
+61.3°F
| Minimum sea water temperature in June: | 72.3°F |
| Maximum sea water temperature in June: | 32.0°F |
| Average sea water temperature in June: | 59.7°F |
| more information | |
14 days
forecast
forecast
| Chicago |
monthly
weather
weather
| Chicago |
Sea water temperature for the last 10 days:
| June 25 | 61.3°F | June 20 | 60.4°F |
| June 24 | 60.8°F | June 19 | 59.2°F |
| June 23 | 60.4°F | June 18 | 58.5°F |
| June 22 | 61.2°F | June 17 | 60.6°F |
| June 21 | 61.3°F | June 16 | 61.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Chicago?
Based on the data about daily sea water temperature for the last three years the warmest sea in Chicago was noticed in August, July and September.
Monthly Sea Temperatures in Chicago, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.8°F. The highest and lowest sea temperatures during the month were 77.9°F and 69.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 73.3°F. The highest and lowest sea temperatures during the month were 76.3°F and 70.9°F.
Sea water temperature in September, °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.
current
weather
weather
| Chicago |
weather in
June
June
| Chicago |
Best time for vacation in Chicago
Chicago on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chicago
Local time: 02:06
June 26, friday
0300

66°F
SW
6 mph
6 mph
0600

66°F
SW
6 mph
6 mph
0900

66°F
W
11 mph
11 mph
1200

63°F
SW
6 mph
6 mph
1500

61°F
SW
6 mph
6 mph
1800

61°F
SW
7 mph
7 mph
2100

61°F
SW
8 mph
8 mph
June 27, saturday
0000

61°F
SW
8 mph
8 mph



























