Coronado Weather Forecast

    • 68
    • 78

    Patchy Fog

    • 69
    • 81

    Increasing Clouds

    • 69
    • 80

    Chance Rain Showers

    • 69
    • 81

    Chance Rain Showers

    • 69
    • 79

    Partly Sunny

    • 69
    • 80

    Mostly Cloudy

    • 69
    • 79

    Mostly Cloudy

Today 15 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77 near the coast to 79 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 15 Sep San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 63 to 68. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coronado Temperature Statistics

September Temperature

San Diego, North Island, Naval Air Station (1.2 miles)

  • Lowest 6 September, 2025

    64.9 °F

  • Average September

    70.9 °F

  • Highest 7 September, 2025

    80.1 °F

Climate (2020–Present)

San Diego, North Island, Naval Air Station (1.2 miles)

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  • Average Low 2020–2025

    57.3 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    69.3 °F
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