Huntington Harbor - Trinidad Island Weather Forecast

    • 68
    • 76

    Rain Showers Likely

    • 69
    • 77

    Rain Showers Likely

    • 67
    • 74

    Slight Chance Thunderstorms

    • 67
    • 75

    Partly Sunny

    • 68
    • 76

    Partly Sunny

    • 68
    • 77

    Patchy Fog

Today 17 Sep Orange County Coastal

Partly cloudy this morning. Becoming mostly cloudy. Highs 75 to 78 at the Beaches to 79 to 83 farther inland and near higher coastal Terrain. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 17 Sep Orange County Coastal

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows around 68. Areas of Winds west to 10 Mph. Chance of measurable precipitation 50 percent.

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Huntington Harbor - Trinidad Island Temperature Statistics

September Temperature

Los Alamitos Army Airfield (5 miles)

  • Lowest 11 September, 2025

    61.7 °F

  • Average September

    71.7 °F

  • Highest 3 September, 2025

    86.5 °F

Climate (2020–Present)

Los Alamitos Army Airfield (5 miles)

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  • Average Low 2020–2025

    54.3 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73.2 °F
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