Waimalu Weather Forecast

    • 73
    • 81

    Mostly Cloudy

    • 72
    • 81

    Rain Showers

    • 71
    • 80

    Rain Showers

    • 70
    • 80

    Partly Sunny

    • 69
    • 79

    Partly Sunny

    • 68
    • 80

    Rain Showers

Today 21 Dec Central Oahu

Partly sunny with scattered Showers in the Morning, then mostly sunny with isolated Showers in the afternoon. Haze in the afternoon. Highs 76 to 81. East Winds up to 15 Mph increasing to 10 to 15 Mph in the afternoon. Chance of rain 50 percent.

Tonight 21 Dec Central Oahu

Mostly cloudy. Isolated Showers in the Evening, then scattered Showers after midnight. Lows 66 to 73. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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Waimalu Temperature Statistics

December Temperature

Daniel K Inouye International Airport (4.3 miles)

  • Lowest 1 December, 2025

    64.9 °F

  • Average December

    76.2 °F

  • Highest 6 December, 2025

    84.9 °F

Climate (2020–Present)

Daniel K Inouye International Airport (4.3 miles)

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  • Average Low 2020–2025

    72.7 °F

  • Average 2020–2025

    78.1 °F

  • Average High 2020–2025

    84.9 °F
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