World Resorts USA Santa Catalina Island Weather

Santa Catalina Island 7 Days Forecast

17.03
tue
Day
90°F
E 4 mph
Precip.
0%
Night
61°F
NE 3 mph
Precip.
0%
18.03
wed
Day
63°F
E 6 mph
Precip.
0%
Night
59°F
E 4 mph
Precip.
0%
19.03
thu
Day
61°F
E 6 mph
Precip.
0%
Night
66°F
E 6 mph
Precip.
0%
20.03
fri
Day
70°F
NE 6 mph
Precip.
0%
Night
68°F
E 6 mph
Precip.
0%
21.03
sat
Day
66°F
NE 6 mph
Precip.
0%
Night
61°F
NE 3 mph
Precip.
0%
22.03
sun
Day
59°F
N 4 mph
Precip.
0%
Night
59°F
N 4 mph
Precip.
0%
23.03
mon
Day
57°F
N 4 mph
Precip.
0%
Night
55°F
E 16 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 63.5°F and 60.8°F.

Air temperature in Santa Catalina Island, °F

Precipitation total in Santa Catalina Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Santa Catalina Island

Sunniest months:
August 24 days
July 23 days
September 21 days
Warmest months:
August 75.1 °F
September 74.6 °F
July 73.3 °F
Warmest sea temp:
August 70.5 °F
September 70.4 °F
July 68.6 °F
Coldest months:
March 61.0 °F
December 61.9 °F
January 62.3 °F
Rainiest months:
January 2 days
December 2 days
April 1 day
Windiest months:
March 8.8 mph
February 7.8 mph
April 7.5 mph

Santa Catalina Island on a weather map

Current weather
04:06
Santa Catalina Island
+70°F
S 1 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+32°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+63°F
Los Angeles
+61°F
Miami
+68°F
Miami Beach
+72°F
Maui
+70°F
New York
+34°F
San Diego
+59°F
San Francisco
+59°F
Sarasota
+48°F
Tampa
+43°F
Houston
+37°F
Chicago
+18°F
all places
24 Hours Forecast
Santa Catalina Island
Local time: 04:06
March 17, tuesday
0600
68°F
NE
3 mph
0900
77°F
NE
2 mph
1200
90°F
E
4 mph
1500
73°F
E
7 mph
1800
66°F
E
9 mph
2100
63°F
SE
5 mph
March 18, wednesday
0000
61°F
NE
3 mph
0300
59°F
E
4 mph
Units of measurement: °C / °F