Harbor Island Weather Forecast

    • 64
    • 73

    Gradual Clearing

    • 64
    • 71

    Mostly Cloudy

    • 63
    • 71

    Mostly Cloudy

    • 62
    • 70

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 62
    • 71

    Mostly Sunny

Today 16 Jun San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 71 to 74 near the coast to 75 to 79 inland. Areas of Winds northwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 16 Jun San Diego County Coastal Areas

Partly cloudy this evening. Becoming cloudy. Patchy fog. Lows 57 to 64. Areas of Winds west 10 Mph this evening becoming light.

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Harbor Island Temperature Statistics

June Temperature

San Diego, San Diego International-Lindbergh Field (0.6 miles)

  • Lowest 2 June, 2026

    61.6 °F

  • Average June

    68.3 °F

  • Highest 12 June, 2026

    79.6 °F

Climate (2021–Present)

San Diego, San Diego International-Lindbergh Field (0.6 miles)

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  • Average Low 2021–2026

    58.1 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    71 °F
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