San Diego Bay - National City Weather Forecast

    • 60
    • 70

    Increasing Clouds

    • 62
    • 71

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 60
    • 70

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 62
    • 71

    Partly Sunny

Today 30 May San Diego County Coastal Areas

Mostly sunny. Highs 68 to 72 near the coast to 72 to 75 inland. Areas of Winds west to 10 Mph.

Tonight 30 May San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 55 to 59. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Diego Bay - National City Temperature Statistics

May Temperature

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

  • Lowest 5 May, 2026

    55.9 °F

  • Average May

    64 °F

  • Highest 19 May, 2026

    72 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    57.6 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    69.4 °F
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