Naval Auxiliary Landing Field San Clemente Island Weather Forecast

    • 54
    • 62

    Mostly Cloudy

    • 55
    • 62

    Partly Sunny

    • 55
    • 68

    Chance Rain Showers

    • 55
    • 66

    Partly Sunny

    • 55
    • 67

    Mostly Cloudy

    • 55
    • 66

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

Today 19 Apr Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the morning then sunny. Highs in the mid 60s to lower 70s.

Tonight 19 Apr Catalina and Santa Barbara Islands

Mostly clear in the evening then mostly cloudy. Lows in the upper 40s to mid 50s.

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Naval Auxiliary Landing Field San Clemente Island Temperature Statistics

April Temperature

San Clemente Island NALF (0 miles)

  • Lowest 3 April, 2026

    58.6 °F

  • Average April

    65.3 °F

  • Highest 17 April, 2026

    71.2 °F

Climate (2021–Present)

San Clemente Island NALF (0 miles)

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    66.3 °F
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