World Resorts USA Santa Catalina Island Weather

Santa Catalina Island 14 Days Forecast

24.07
fri
Day
84°F
N 6 mph
Precip.
4%
Night
68°F
NE 3 mph
Precip.
12%
25.07
sat
Day
68°F
E 5 mph
Precip.
9%
Night
70°F
NE 6 mph
Precip.
10%
26.07
sun
Day
68°F
NW 8 mph
Precip.
10%
Night
68°F
NW 5 mph
Precip.
11%
27.07
mon
Day
68°F
N 5 mph
Precip.
9%
Night
68°F
N 4 mph
Precip.
11%
28.07
tue
Day
68°F
N 6 mph
Precip.
9%
Night
68°F
NE 4 mph
Precip.
11%
29.07
wed
Day
68°F
N 4 mph
Precip.
9%
Night
68°F
N 2 mph
Precip.
11%
30.07
thu
Day
68°F
N 6 mph
Precip.
10%
Night
70°F
NW 7 mph
Precip.
11%
31.07
fri
Day
70°F
N 5 mph
Precip.
9%
Night
70°F
N 2 mph
Precip.
11%
01.08
sat
Day
68°F
NE 6 mph
Precip.
8%
Night
66°F
NE 5 mph
Precip.
10%
02.08
sun
Day
66°F
N 4 mph
Precip.
9%
Night
66°F
NE 5 mph
Precip.
9%
03.08
mon
Day
66°F
N 4 mph
Precip.
9%
Night
64°F
E 9 mph
Precip.
10%
04.08
tue
Day
64°F
E 7 mph
Precip.
9%
Night
64°F
NE 3 mph
Precip.
10%
05.08
wed
Day
66°F
NE 4 mph
Precip.
9%
Night
66°F
NE 3 mph
Precip.
10%
06.08
thu
Day
68°F
E 6 mph
Precip.
8%
Night
68°F
E 6 mph
Precip.
11%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 68.9°F. The highest and lowest sea temperatures during the month were 71.1°F and 66.7°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 71.8°F and 68.2°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
07:18
Santa Catalina Island
+66°F
NE 3 mph
Feels like: +66°F
Precip.: 3%
Places in USA:
Name
°F
Boston
+70°F
Hawaii
+77°F
Las Vegas
+88°F
Los Angeles
+66°F
Miami
+86°F
Malibu
+68°F
Maui
+72°F
Myrtle Beach
+81°F
New York
+72°F
San Diego
+68°F
San Francisco
+55°F
Santa Monica
+64°F
Sarasota
+82°F
Houston
+84°F
Chicago
+66°F
all places
24 Hours Forecast
Santa Catalina Island
Local time: 07:18
July 24, friday
0900
73°F
NW
4 mph
1200
84°F
N
6 mph
1500
86°F
NE
4 mph
1800
70°F
E
2 mph
2100
68°F
E
2 mph
July 25, saturday
0000
68°F
NE
3 mph
0300
66°F
NE
1 mph
0600
66°F
E
2 mph
Units of measurement: °C / °F