Measurements:
°C
°F
Santa Catalina Island
62°F
NW 7 mph
Feels like: 62°F
Precip: 38%
World Resorts USA Santa Catalina Island Weather

7 Day Weather Forecast

06.04
thu
DAY
64°F
NW 6 mph
precip
3%
NIGHT
62°F
NW 6 mph
precip
7%
06.05
fri
DAY
62°F
N 6 mph
precip
7%
NIGHT
60°F
N 6 mph
precip
18%
06.06
sat
DAY
62°F
N 7 mph
precip
19%
NIGHT
60°F
N 3 mph
precip
12%
06.07
sun
DAY
60°F
NE 2 mph
precip
3%
NIGHT
60°F
N 5 mph
precip
3%
06.08
mon
DAY
60°F
N 4 mph
precip
3%
NIGHT
60°F
NE 6 mph
precip
3%
06.09
tue
DAY
62°F
N 4 mph
precip
3%
NIGHT
60°F
E 19 mph
precip
3%
06.10
wed
DAY
60°F
E 6 mph
precip
3%
NIGHT
60°F
N 6 mph
precip
3%

Santa Catalina Island Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Santa Catalina Island was 18.5°F. The maximum and minimum values were 17.6°F and 19.2°F respectively.

Santa Catalina Island on the Weather Map

Best Time to Visit Santa Catalina Island
The most sunny months:
August 24 days
July 23 days
September 21 days
The most warm months:
August 77.9 °F
September 77.4 °F
July 75.9 °F
Warmest sea temperature:
August 72.7 °F
September 72.6 °F
July 70.7 °F
The most cold months:
December 63.2 °F
January 63.7 °F
March 63.9 °F
The most rainy months:
January 2 days
December 2 days
February 1 day
The most windy months:
March 8 mph
February 7 mph
April 7 mph