Kahului Harbor Weather Forecast

    • 70
    • 85

    Rain Showers

    • 70
    • 84

    Rain Showers

    • 69
    • 85

    Partly Sunny

    • 69
    • 83

    Mostly Cloudy

    • 67
    • 82

    Mostly Cloudy

    • 66
    • 82

    Partly Sunny

    • 66
    • 82

    Partly Sunny

Today 19 Dec Maui Central Valley North

Mostly sunny early in the morning then becoming partly sunny. Isolated Showers early in the morning. Isolated Thunderstorms. Scattered Showers in the afternoon. Highs 81 to 86. Light Winds becoming south up to 10 Mph in the Morning, then shifting to the southwest around 10 Mph in the afternoon. Chance of rain 40 percent.

Tonight 19 Dec Maui Central Valley North

Mostly cloudy with scattered Showers and isolated Thunderstorms. Locally heavy rainfall possible in the evening. Lows around 69. Light Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kahului Harbor Temperature Statistics

December Temperature

Kahului, Kahului Airport (2.5 miles)

  • Lowest 2 December, 2025

    61 °F

  • Average December

    75.1 °F

  • Highest 4 December, 2025

    87.1 °F

Climate (2020–Present)

Kahului, Kahului Airport (2.5 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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