Long Beach Marina Weather Forecast

    • 68
    • 80

    Mostly Cloudy

    • 67
    • 79

    Gradual Clearing

    • 67
    • 79

    Partly Sunny

    • 69
    • 83

    Mostly Sunny

    • 69
    • 82

    Partly Sunny

    • 69
    • 82

    Partly Sunny

    • 69
    • 81

    Partly Sunny

Today 20 Sep Los Angeles County Beaches

Mostly cloudy in the morning then partly cloudy. Highs around 80.

Tonight 20 Sep Los Angeles County Beaches

Mostly cloudy. Lows in the 60s.

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Long Beach Marina Temperature Statistics

September Temperature

Long Beach, Long Beach Airport (3.7 miles)

  • Lowest 18 September, 2026

    64 °F

  • Average September

    77 °F

  • Highest 9 September, 2026

    107.7 °F

Climate (2021–2026)

Long Beach, Long Beach Airport (3.7 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    65.4 °F

  • Average High 2021–2026

    75 °F
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