San Diego Bay Weather Forecast

    • 50
    • 65

    Increasing Clouds

    • 55
    • 67

    Mostly Cloudy

    • 51
    • 68

    Partly Sunny

    • 50
    • 65

    Mostly Cloudy

    • 49
    • 57

    Rain Showers

    • 46
    • 56

    Rain Showers Likely

    • 46
    • 57

    Slight Chance Rain Showers

Today 21 Jan San Diego County Coastal Areas

Mostly sunny. Highs 69 to 74. Areas of Winds northwest 10 to 15 Mph with Gusts to 25 Mph.

Tonight 21 Jan San Diego County Coastal Areas

Partly cloudy. Lows 35 to 45. Areas of Winds east 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Diego Bay Temperature Statistics

January Temperature

San Diego, North Island, Naval Air Station (3.7 miles)

  • Lowest 14 January, 2025

    39.7 °F

  • Average January

    56.5 °F

  • Highest 5 January, 2025

    73.7 °F

Climate (2020–Present)

San Diego, North Island, Naval Air Station (3.7 miles)

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  • Average Low 2020–2025

    57.5 °F

  • Average 2020–2025

    63.2 °F

  • Average High 2020–2025

    69.6 °F
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