San Diego Bay - National City Weather Forecast

    • 59
    • 69

    Sunny

    • 62
    • 74

    Mostly Sunny

    • 69
    • 84

    Mostly Sunny

    • 72
    • 88

    Mostly Sunny

    • 68
    • 85

    Mostly Sunny

    • 67
    • 84

    Mostly Sunny

    • 64
    • 78

    Partly Sunny

Today 13 Oct San Diego County Coastal Areas

Partly cloudy with a slight chance of Showers. Highs 70 to 75.

Tonight 13 Oct San Diego County Coastal Areas

Mostly clear. Lows 53 to 57. Areas of Winds north 10 Mph this evening becoming light.

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San Diego Bay - National City Temperature Statistics

October Temperature

San Diego, North Island, Naval Air Station (5 miles)

  • Lowest 11 October, 2026

    64.9 °F

  • Average October

    77.2 °F

  • Highest 3 October, 2026

    100.9 °F

Climate (2021–2026)

San Diego, North Island, Naval Air Station (5 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    69.7 °F
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