San Clemente Island - West Cove Weather Forecast

    • 60
    • 71

    Mostly Cloudy

    • 60
    • 68

    Patchy Fog

    • 60
    • 69

    Patchy Fog

    • 61
    • 69

    Patchy Fog

    • 60
    • 69

    Patchy Fog

    • 61
    • 69

    Patchy Fog

    • 60
    • 69

    Mostly Cloudy

Today 7 Aug Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the morning then sunny. Fog locally dense with visibility one quarter mile or less. Highs from the lower to mid 70s near the coast to the lower 80s interior.

Tonight 7 Aug 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 around 60 except the mid 60s to around 70 in the Hills.

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San Clemente Island - West Cove Temperature Statistics

August Temperature

San Clemente Island NALF (0.6 miles)

  • Lowest 4 August, 2025

    55.9 °F

  • Average August

    63.2 °F

  • Highest 5 August, 2025

    73 °F

Climate (2020–Present)

San Clemente Island NALF (0.6 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    66.2 °F
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