World Resorts USA Chicago Weather

Chicago Sea Temperature in July

Average sea water temperature in July:
+68.3°F
Minimum sea water temperature in July: 77.9°F
Maximum sea water temperature in July: 32.0°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 77.9°F and 66.0°F.

Monthly sea water temperature in Chicago, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 89.0°F 86.7°F
Clearwater Beach 88.9°F 87.1°F
St. Petersburg 88.6°F 87.0°F
Sarasota 88.4°F 86.9°F
Siesta Key 88.3°F 86.9°F
Tampa 88.3°F 86.8°F
Naples 88.1°F 86.6°F
Miami 87.5°F 86.3°F
New Orleans 87.1°F 87.4°F
Miami Beach 87.0°F 86.0°F
Pensacola 86.9°F 86.9°F
Fort Lauderdale 86.8°F 85.0°F
Destin 86.7°F 86.3°F
Houston 86.7°F 86.3°F
Panama City Beach 86.5°F 86.3°F
West Palm Beach 86.1°F 84.6°F
Corpus Christi 85.6°F 85.3°F
Charleston (SC) 85.4°F 84.7°F
Isle of Palms 85.3°F 84.3°F
Jacksonville 85.1°F 80.4°F

Best time for vacation in Chicago

Sunniest months:
September 17 days
June 16 days
August 16 days
Warmest months:
July 80.4 °F
August 79.9 °F
June 74.0 °F
Warmest sea temp:
August 70.3 °F
July 68.2 °F
September 66.1 °F
Coldest months:
January 28.1 °F
February 31.1 °F
December 35.7 °F
Rainiest months:
June 6 days
May 6 days
July 5 days
Windiest months:
November 12.2 mph
January 12.0 mph
February 11.6 mph

Chicago on a weather map

Chicago
+79°F
SW 7 mph
Feels like: +86°F
Precip.: 14%
Places in USA:
Name
°F
+79°F
+77°F
+86°F
+66°F
+82°F
+70°F
+81°F
+75°F
+66°F
+55°F
+66°F
+88°F
+84°F
+82°F
+79°F
24 Hours Forecast
Chicago
Local time: 08:48
July 16, thursday
0900
79°F
SW
7 mph
1200
84°F
W
8 mph
1500
84°F
SW
8 mph
1800
82°F
SW
8 mph
2100
77°F
SW
7 mph
July 17, friday
0000
75°F
W
6 mph
0300
75°F
NW
4 mph
0600
75°F
NW
4 mph
Units of measurement: °C / °F