Rainbow Lagoon Park Weather Forecast

    • 73
    • 84

    Partly Sunny

    • 73
    • 92

    Mostly Sunny

    • 70
    • 85

    Mostly Sunny

    • 69
    • 80

    Mostly Sunny

    • 67
    • 78

    Mostly Sunny

    • 67
    • 78

    Mostly Sunny

Today 8 Sep Los Angeles County Beaches

Mostly cloudy in the morning then partly cloudy. A 20 percent chance of Showers. Highs from the lower to mid 80s at the Beaches to the lower to mid 90s inland. West Winds 15 to 25 Mph in the afternoon.

Tonight 8 Sep Los Angeles County Beaches

Partly cloudy. Lows in the lower 70s. West Winds 15 to 25 Mph in the evening.

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Rainbow Lagoon Park Temperature Statistics

September Temperature

Long Beach, Long Beach Airport (3.7 miles)

  • Lowest 2 September, 2026

    64.7 °F

  • Average September

    73.6 °F

  • Highest 5 September, 2026

    89.1 °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

    65.3 °F

  • Average High 2021–2026

    75 °F
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