San Clemente Island - Northwest Harbor Weather Forecast

    • 58
    • 68

    Mostly Cloudy

    • 59
    • 68

    Mostly Cloudy

    • 59
    • 68

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 66

    Partly Sunny

    • 58
    • 67

    Mostly Sunny

    • 58
    • 67

    Breezy

Today 1 Jun Catalina and Santa Barbara Islands

Partly to mostly cloudy. Highs from the mid 60s near the coast to the mid 70s interior.

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San Clemente Island - Northwest Harbor Temperature Statistics

June Temperature

San Clemente Island NALF (0.6 miles)

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  • Average June

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Climate (2010–Present)

San Clemente Island NALF (0.6 miles)

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  • Average Low 2010–Present

    57.5 °F

  • Average 2010–Present

    61.8 °F

  • Average High 2010–Present

    66.4 °F
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