Port of San Diego Weather Forecast

    • 56
    • 65

    Increasing Clouds

    • 56
    • 63

    Patchy Fog

    • 56
    • 65

    Mostly Cloudy

    • 57
    • 64

    Mostly Sunny

    • 61
    • 64

    Rain Showers Likely

    • 61
    • 64

    Rain Showers

    • 58
    • 63

    Rain Showers Likely

Today 19 Dec San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 66 to 70 near the coast to 72 to 75 inland. Light Winds.

Tonight 19 Dec San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 48 to 53. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port of San Diego Temperature Statistics

December Temperature

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

  • Lowest 7 December, 2025

    46.9 °F

  • Average December

    59 °F

  • Highest 9 December, 2025

    79 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    57.3 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    69.1 °F
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