Harbor Island Weather Forecast

    • 58
    • 75

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 56
    • 79

    Mostly Cloudy

    • 54
    • 72

    Mostly Cloudy

    • 53
    • 68

    Partly Sunny

    • 53
    • 69

    Partly Sunny

Today 26 Feb San Diego County Coastal Areas

Mostly sunny. Highs 73 to 78 near the coast to 80 to 85 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 26 Feb San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy. Lows around 60. Light Winds.

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Harbor Island Temperature Statistics

February Temperature

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

  • Lowest 21 February, 2026

    42.7 °F

  • Average February

    60.3 °F

  • Highest 4 February, 2026

    83.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    57.9 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    70.8 °F
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