Black Sand Beach (Oneuli Beach) Weather Forecast

    • 74
    • 84

    Mostly Sunny

    • 74
    • 83

    Mostly Sunny

    • 74
    • 83

    Mostly Sunny

    • 75
    • 83

    Partly Sunny

    • 75
    • 84

    Mostly Cloudy

    • 75
    • 84

    Mostly Cloudy

Today 19 Oct South Maui/Upcountry

Sunny. Highs around 87 near the shore to around 73 near 4000 feet. South Winds up to 15 Mph.

Tonight 19 Oct South Maui/Upcountry

Mostly clear. Lows around 72 near the shore to around 58 near 4000 feet. Northeast Winds 10 to 15 Mph.

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Black Sand Beach (Oneuli Beach) Temperature Statistics

October Temperature

Kahului, Kahului Airport (17.4 miles)

  • Lowest 12 October, 2026

    64.9 °F

  • Average October

    79 °F

  • Highest 1 October, 2026

    91 °F

Climate (2021–2026)

Kahului, Kahului Airport (17.4 miles)

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  • Average Low 2021–2026

    69 °F

  • Average 2021–2026

    76.8 °F

  • Average High 2021–2026

    85.3 °F
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