World Resorts USA Santa Catalina Island Weather

Santa Catalina Island 7 Days Forecast

01.07
wed
Day
61°F
E 10 mph
Precip.
28%
Night
61°F
E 7 mph
Precip.
22%
02.07
thu
Day
59°F
NE 6 mph
Precip.
13%
Night
61°F
E 9 mph
Precip.
9%
03.07
fri
Day
63°F
E 6 mph
Precip.
9%
Night
61°F
E 7 mph
Precip.
9%
04.07
sat
Day
61°F
E 7 mph
Precip.
10%
Night
63°F
E 8 mph
Precip.
10%
05.07
sun
Day
63°F
E 9 mph
Precip.
10%
Night
63°F
E 11 mph
Precip.
10%
06.07
mon
Day
63°F
E 6 mph
Precip.
10%
Night
63°F
E 8 mph
Precip.
10%
07.07
tue
Day
64°F
N 4 mph
Precip.
9%
Night
63°F
NE 4 mph
Precip.
9%

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 68.0°F. The highest and lowest sea temperatures during the month were 69.1°F and 65.3°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:
December 61.9 °F
January 62.3 °F
March 62.5 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
March 8.5 mph
February 7.8 mph
April 7.7 mph

Santa Catalina Island on a weather map

Current weather
14:04
Santa Catalina Island
+63°F
E 12 mph
Feels like: +63°F
Precip.: 24%
Places in USA:
Name
°F
Boston
+97°F
Hawaii
+79°F
Las Vegas
+100°F
Los Angeles
+73°F
Miami
+81°F
Miami Beach
+81°F
Maui
+77°F
Myrtle Beach
+84°F
New York
+93°F
San Diego
+70°F
San Francisco
+72°F
Sarasota
+84°F
Tampa
+91°F
Houston
+97°F
Chicago
+86°F
all places
24 Hours Forecast
Santa Catalina Island
Local time: 14:04
July 01, wednesday
1500
63°F
E
12 mph
1800
61°F
E
12 mph
2100
57°F
E
10 mph
July 02, thursday
0000
61°F
E
7 mph
0300
59°F
E
6 mph
0600
59°F
NE
4 mph
0900
59°F
NE
4 mph
1200
59°F
NE
6 mph
Units of measurement: °C / °F