San Clemente Island - Northwest Harbor Weather Forecast

    • 58
    • 69

    Partly Sunny

    • 59
    • 71

    Partly Sunny

    • 62
    • 71

    Partly Sunny

    • 62
    • 70

    Partly Sunny

    • 61
    • 72

    Partly Sunny

    • 62
    • 75

    Partly Sunny

    • 59
    • 69

    Partly Sunny

Today 31 Oct Catalina and Santa Barbara Islands

Sunny except for patchy low Clouds and dense fog in the morning. Highs from the lower to mid 70s near the coast to the lower 80s interior.

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San Clemente Island - Northwest Harbor Temperature Statistics

October Temperature

San Clemente Island NALF (0.6 miles)

  • Lowest 28 October, 2020

    55.4 °F
  • Average October

    67 °F
  • Highest 13 October, 2020

    87.1 °F

Climate (2010–Present)

San Clemente Island NALF (0.6 miles)

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  • Average Low 2010–Present

    58 °F
  • Average 2010–Present

    62.4 °F
  • Average High 2010–Present

    67 °F
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