Current sea water temperature:
+70.7°F
| Minimum sea water temperature in October: | 74.3°F |
| Maximum sea water temperature in October: | 62.8°F |
| Average sea water temperature in October: | 68.5°F |
| more information | |
14 days
forecast
forecast
| Santa Catalina Island |
monthly
weather
weather
| Santa Catalina Island |
Sea water temperature for the last 10 days:
| October 24 | 70.7°F | October 19 | 70.7°F |
| October 23 | 70.9°F | October 18 | 70.2°F |
| October 22 | 70.9°F | October 17 | 70.9°F |
| October 21 | 70.9°F | October 16 | 70.5°F |
| October 20 | 70.9°F | October 15 | 70.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Santa Catalina Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Santa Catalina Island was noticed in August, September and July.
Monthly Sea Temperatures in Santa Catalina Island, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 72.3°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.3°F. The highest and lowest sea temperatures during the month were 75.2°F and 72.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 69.6°F. The highest and lowest sea temperatures during the month were 73.0°F and 66.7°F.
current
weather
weather
| Santa Catalina Island |
weather in
October
October
| Santa Catalina Island |
Best time for vacation in Santa Catalina Island
Santa Catalina Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Santa Catalina Island
Local time: 20:13
October 24, saturday
2100
66°F
E
11 mph
11 mph
October 25, sunday
0000
66°F
E
9 mph
9 mph
0300
66°F
E
6 mph
6 mph
0600
66°F
NE
4 mph
4 mph
0900
66°F
N
4 mph
4 mph
1200
66°F
E
6 mph
6 mph
1500
66°F
E
9 mph
9 mph
1800
66°F
E
14 mph
14 mph
