Measurements:
°C
°F
CURRENT WEATHER
14:06
Santa Catalina Island
90°F
E 4 mph
Feels like: 88°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather

7 Day Weather Forecast

03.13
fri
DAY
88°F
NW 2 mph
precip
0%
NIGHT
70°F
N 4 mph
precip
0%
03.14
sat
DAY
58°F
NW 6 mph
precip
0%
NIGHT
60°F
NW 5 mph
precip
0%
03.15
sun
DAY
58°F
W 4 mph
precip
0%
NIGHT
60°F
NE 3 mph
precip
0%
03.16
mon
DAY
62°F
E 5 mph
precip
0%
NIGHT
68°F
NE 3 mph
precip
0%
03.17
tue
DAY
70°F
E 6 mph
precip
0%
NIGHT
70°F
NE 5 mph
precip
0%
03.18
wed
DAY
70°F
E 4 mph
precip
0%
NIGHT
70°F
NE 3 mph
precip
0%
03.19
thu
DAY
70°F
SE 6 mph
precip
0%
NIGHT
68°F
E 6 mph
precip
0%

Santa Catalina Island Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Santa Catalina Island was 14.2°F. The maximum and minimum values were 13.4°F and 14.9°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:
March 62.3 °F
December 63.2 °F
January 63.7 °F
The most rainy months:
January 2 days
December 2 days
April 1 day
The most windy months:
March 9 mph
February 7 mph
April 7 mph
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