Measurements:
°C
°F
CURRENT WEATHER
04:24
Santa Catalina Island
50°F
NW 11 mph
Feels like: 48°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather

7 Day Weather Forecast

04.03
fri
DAY
74°F
S 1 mph
precip
0%
NIGHT
66°F
E 3 mph
precip
0%
04.04
sat
DAY
70°F
W 2 mph
precip
0%
NIGHT
64°F
NE 5 mph
precip
0%
04.05
sun
DAY
58°F
E 6 mph
precip
0%
NIGHT
62°F
E 10 mph
precip
0%
04.06
mon
DAY
60°F
E 13 mph
precip
0%
NIGHT
60°F
E 7 mph
precip
0%
04.07
tue
DAY
62°F
E 4 mph
precip
0%
NIGHT
62°F
E 14 mph
precip
0%
04.08
wed
DAY
60°F
E 22 mph
precip
0%
NIGHT
58°F
E 22 mph
precip
22%
04.09
thu
DAY
56°F
E 21 mph
precip
65%
NIGHT
54°F
E 19 mph
precip
100%

Santa Catalina Island Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Santa Catalina Island was 15.2°F. The maximum and minimum values were 13.7°F and 16.1°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
April 1 day
The most windy months:
March 8 mph
February 7 mph
April 7 mph
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