Santa Catalina Island - Little Harbor Weather Forecast
- 64
- 75
Mostly Cloudy
- 63
- 79
Mostly Cloudy
- 64
- 77
Partly Sunny
- 65
- 75
Partly Sunny
- 65
- 78
Partly Sunny
- 64
- 78
Partly Sunny
Today 17 Aug Catalina and Santa Barbara Islands
Mostly cloudy in the morning then partly cloudy. Highs from the mid to upper 70s near the coast to the mid 80s interior.
Tonight 17 Aug Catalina and Santa Barbara Islands
Partly cloudy in the evening then Areas of low Clouds and fog. Lows in the lower to mid 60s.
Santa Catalina Island - Little Harbor Temperature Statistics
August Temperature
San Clemente Island NALF (25.5 miles)
Lowest 3 August, 2026
66 °FAverage August
74.3 °FHighest 14 August, 2026
81 °F
Climate (2021–2026)
San Clemente Island NALF (25.5 miles)
Average Low 2021–2026
57.8 °FAverage 2021–2026
62.3 °FAverage High 2021–2026
66.7 °F