Coronado Island Weather Forecast

    • 69
    • 79

    Increasing Clouds

    • 70
    • 81

    Partly Sunny

    • 71
    • 83

    Mostly Cloudy

    • 70
    • 83

    Mostly Cloudy

    • 69
    • 76

    Slight Chance Rain Showers

    • 70
    • 79

    Partly Sunny

Today 24 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 79 to 84 near the coast to 90 inland.

Tonight 24 Sep San Diego County Coastal Areas

Partly cloudy. Patchy fog. Lows 65 to 69. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coronado Island Temperature Statistics

September Temperature

San Diego, North Island, Naval Air Station (0.6 miles)

  • Lowest 3 September, 2026

    63 °F

  • Average September

    73.5 °F

  • Highest 9 September, 2026

    91 °F

Climate (2021–2026)

San Diego, North Island, Naval Air Station (0.6 miles)

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  • Average Low 2021–2026

    57.7 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    69.6 °F
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