Seal Beach Weather Forecast

    • 68
    • 75

    Mostly Sunny

    • 70
    • 75

    Partly Sunny

    • 67
    • 73

    Mostly Sunny

    • 67
    • 73

    Mostly Sunny

    • 66
    • 73

    Mostly Sunny

    • 65
    • 72

    Mostly Sunny

Today 10 Sep Orange County Coastal

Mostly sunny. Highs 82 to 86 at the Beaches to 89 to 94 farther inland and near higher coastal Terrain. Areas of Winds south 10 Mph.

Tonight 10 Sep Orange County Coastal

Mostly clear. Lows 69 to 72. Areas of Winds southeast 10 to 15 Mph.

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Seal Beach Temperature Statistics

September Temperature

Los Alamitos Army Airfield (5 miles)

  • Lowest 5 September, 2026

    62.1 °F

  • Average September

    73.9 °F

  • Highest 8 September, 2026

    94.8 °F

Climate (2021–2026)

Los Alamitos Army Airfield (5 miles)

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  • Average Low 2021–2026

    54.9 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    73.2 °F
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