Santa Catalina Island - Little Harbor Weather Forecast

    • 62
    • 81

    Partly Sunny

    • 61
    • 79

    Increasing Clouds

    • 60
    • 74

    Mostly Cloudy

    • 60
    • 72

    Mostly Sunny

    • 61
    • 76

    Mostly Sunny

    • 60
    • 77

    Patchy Fog

    • 59
    • 77

    Mostly Sunny

Today 19 Mar Catalina and Santa Barbara Islands

Sunny. Highs from the lower to mid 70s near the coast to the lower to mid 80s interior.

Tonight 19 Mar Catalina and Santa Barbara Islands

Mostly clear in the evening then Areas of low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the 50s to lower 60s except the lower to mid 70s in the Hills.

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Santa Catalina Island - Little Harbor Temperature Statistics

March Temperature

San Clemente Island NALF (25.5 miles)

  • Lowest 11 March, 2026

    54 °F

  • Average March

    65.4 °F

  • Highest 13 March, 2026

    78.8 °F

Climate (2021–Present)

San Clemente Island NALF (25.5 miles)

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  • Average Low 2021–2026

    57.3 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    66.2 °F
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