Black Sand Beach (Oneuli Beach) Weather Forecast

    • 73
    • 81

    Partly Sunny

    • 70
    • 80

    Partly Sunny

    • 70
    • 78

    Mostly Sunny

    • 69
    • 78

    Partly Sunny

    • 70
    • 79

    Partly Sunny

    • 70
    • 78

    Mostly Cloudy

Today 22 Dec South Maui/Upcountry

Mostly sunny. Highs around 83 near the shore to around 71 near 4000 feet. Light Winds becoming west up to 10 Mph in the afternoon.

Tonight 22 Dec South Maui/Upcountry

Partly cloudy. Lows around 69 near the shore to around 55 near 4000 feet. Light Winds becoming southeast up to 10 Mph after midnight.

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  • Temperature Real-Time

Black Sand Beach (Oneuli Beach) Temperature Statistics

December Temperature

Kahului, Kahului Airport (17.4 miles)

  • Lowest 2 December, 2025

    61 °F

  • Average December

    75.5 °F

  • Highest 4 December, 2025

    87.1 °F

Climate (2020–Present)

Kahului, Kahului Airport (17.4 miles)

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  • Average Low 2020–2025

    68.8 °F

  • Average 2020–2025

    76.7 °F

  • Average High 2020–2025

    85.5 °F
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