San Diego Bay - National City Weather Forecast

    • 57
    • 66

    Increasing Clouds

    • 56
    • 65

    Chance Rain Showers

    • 53
    • 63

    Slight Chance Rain Showers

    • 53
    • 66

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

    • 55
    • 68

    Partly Sunny

Today 11 Apr San Diego County Coastal Areas

Mostly cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs 66 to 69. Light Winds becoming west 10 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 11 Apr San Diego County Coastal Areas

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 52 to 57. Areas of Winds west 10 Mph becoming south overnight. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Diego Bay - National City Temperature Statistics

April Temperature

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

  • Lowest 4 April, 2026

    55 °F

  • Average April

    64.5 °F

  • Highest 4 April, 2026

    78.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.4 °F
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