Naval Auxiliary Landing Field San Clemente Island Weather Forecast

    • 54
    • 65

    Partly Sunny

    • 55
    • 65

    Mostly Cloudy

    • 54
    • 63

    Mostly Cloudy

    • 53
    • 63

    Patchy Fog

    • 54
    • 62

    Patchy Fog

    • 55
    • 64

    Partly Sunny

Today 19 Jan Catalina and Santa Barbara Islands

Partly cloudy. Highs around 70.

Tonight 19 Jan Catalina and Santa Barbara Islands

Partly cloudy in the evening then mostly clear. Lows in the upper 40s and 50s.

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Naval Auxiliary Landing Field San Clemente Island Temperature Statistics

January Temperature

San Clemente Island NALF (0 miles)

  • Lowest 8 January, 2026

    57.9 °F

  • Average January

    63.4 °F

  • Highest 15 January, 2026

    70 °F

Climate (2021–Present)

San Clemente Island NALF (0 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    66 °F
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