Seal Beach Weather Forecast

    • 60
    • 69

    Increasing Clouds

    • 65
    • 70

    Slight Chance Thunderstorms

    • 64
    • 72

    Partly Sunny

    • 61
    • 68

    Partly Sunny

    • 62
    • 68

    Partly Sunny

    • 60
    • 65

    Mostly Cloudy

    • 59
    • 64

    Mostly Cloudy

Today 8 Oct Orange County Coastal

Mostly cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Highs 69 to 72 at the Beaches to 73 to 76 farther inland and near higher coastal Terrain. Areas of Winds northwest 10 to 15 Mph.

Tonight 8 Oct Orange County Coastal

Mostly clear. Lows around 58. Areas of Winds west 10 Mph this evening becoming light.

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Seal Beach Temperature Statistics

October Temperature

Los Alamitos Army Airfield (5 miles)

  • Lowest 5 October, 2025

    58.5 °F

  • Average October

    68.3 °F

  • Highest 2 October, 2025

    78.3 °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

    73.1 °F
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