Port of San Diego Weather Forecast

    • 62
    • 76

    Increasing Clouds

    • 61
    • 74

    Partly Sunny

    • 62
    • 73

    Patchy Fog

    • 62
    • 74

    Patchy Fog

    • 63
    • 75

    Partly Sunny

    • 62
    • 75

    Patchy Fog

Today 21 Mar San Diego County Coastal Areas

Partly cloudy. Highs 76 to 81 near the coast to 83 to 87 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 21 Mar San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 54 to 59. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port of San Diego Temperature Statistics

March Temperature

San Diego, North Island, Naval Air Station (3.1 miles)

  • Lowest 6 March, 2026

    51.1 °F

  • Average March

    63.1 °F

  • Highest 8 March, 2026

    87.1 °F

Climate (2021–Present)

San Diego, North Island, Naval Air Station (3.1 miles)

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  • Average Low 2021–2026

    57.4 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.3 °F
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