World Resorts USA Chicago Weather

Chicago Sea Temperature in October

Average sea water temperature in October:
+57.2°F
Minimum sea water temperature in October: 69.1°F
Maximum sea water temperature in October: 32.0°F

Daily sea water temperature in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 62.1°F. The highest and lowest sea temperatures during the month were 64.2°F and 57.9°F.

Monthly sea water temperature in Chicago, °F

Which USA resorts have warmest sea in October?

Place name October 2026 October 2025
West Palm Beach 84.9°F 83.5°F
Fort Lauderdale 84.9°F 83.5°F
Key West 84.7°F 83.8°F
Miami Beach 84.4°F 83.4°F
Key Largo 84.3°F 83.0°F
Miami 83.7°F 82.7°F
Naples 83.2°F 81.9°F
Port St. Lucie 83.1°F 80.2°F
Siesta Key 82.3°F 80.4°F
Corpus Christi 82.3°F 82.2°F
Sarasota 82.0°F 80.2°F
Cape Coral 82.0°F 81.1°F
Cocoa Beach 81.3°F 79.2°F
Galveston 81.1°F 80.8°F
Houston 80.9°F 80.4°F
Tampa 80.8°F 79.4°F
Panama City Beach 80.8°F 79.2°F
Honolulu 80.7°F 80.7°F
Hawaii 80.6°F 80.6°F
Orlando 80.5°F 78.4°F

Best time for vacation in Chicago

Sunniest months:
June 16 days
July 16 days
August 16 days
Warmest months:
July 80.1 °F
August 79.6 °F
June 74.0 °F
Warmest sea temp:
August 70.4 °F
July 68.5 °F
September 66.2 °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
+61°F
N 7 mph
Feels like: +61°F
Precip.: 6%
Places in USA:
Name
°F
+48°F
+52°F
+77°F
+63°F
+72°F
+79°F
+72°F
+55°F
+70°F
+59°F
+70°F
+70°F
+73°F
+61°F
24 Hours Forecast
Chicago
Local time: 23:35
October 25, sunday
0000
61°F
N
7 mph
0300
59°F
N
6 mph
0600
57°F
N
6 mph
0900
59°F
N
7 mph
1200
64°F
NE
6 mph
1500
68°F
N
6 mph
1800
66°F
N
5 mph
2100
63°F
NE
5 mph
Units of measurement: °C / °F