Rainbow Harbor Weather Forecast

    • 61
    • 77

    Increasing Clouds

    • 59
    • 76

    Partly Sunny

    • 58
    • 71

    Partly Sunny

    • 58
    • 70

    Mostly Sunny

    • 58
    • 70

    Partly Sunny

    • 57
    • 69

    Partly Sunny

Today 20 May Los Angeles County Beaches

Sunny. Highs in the mid 70s. Southwest wind around 15 Mph this afternoon.

Tonight 20 May Los Angeles County Beaches

Partly cloudy in the Evening, becoming mostly cloudy. Lows around 60.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Harbor Temperature Statistics

May Temperature

Long Beach, Long Beach Airport (4.3 miles)

  • Lowest 4 May, 2026

    56.6 °F

  • Average May

    65.9 °F

  • Highest 11 May, 2026

    80.7 °F

Climate (2021–Present)

Long Beach, Long Beach Airport (4.3 miles)

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  • Average Low 2021–2026

    57.6 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    74.7 °F
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