Measurements:
°C
°F
Santa Catalina Island
60°F
E 11 mph
Feels like: 60°F
Precip: 35%
World Resorts USA Santa Catalina Island Weather

7 Day Weather Forecast

06.24
wed
DAY
68°F
E 7 mph
precip
18%
NIGHT
58°F
E 9 mph
precip
34%
06.25
thu
DAY
62°F
E 8 mph
precip
17%
NIGHT
62°F
E 7 mph
precip
11%
06.26
fri
DAY
62°F
NE 4 mph
precip
10%
NIGHT
62°F
E 9 mph
precip
27%
06.27
sat
DAY
64°F
E 10 mph
precip
18%
NIGHT
60°F
E 17 mph
precip
11%
06.28
sun
DAY
60°F
NE 4 mph
precip
14%
NIGHT
62°F
NE 6 mph
precip
10%
06.29
mon
DAY
62°F
N 7 mph
precip
10%
NIGHT
62°F
E 6 mph
precip
22%
06.30
tue
DAY
62°F
NE 6 mph
precip
14%
NIGHT
62°F
E 4 mph
precip
17%

Santa Catalina Island Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Santa Catalina Island was 19.2°F. The maximum and minimum values were 18.3°F and 20.1°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