Kaumalapau Harbor Weather Forecast

    • 74
    • 86

    Becoming Sunny

    • 73
    • 86

    Mostly Sunny

    • 73
    • 86

    Mostly Sunny

    • 73
    • 86

    Mostly Sunny

    • 74
    • 86

    Partly Sunny

    • 73
    • 86

    Mostly Sunny

    • 73
    • 87

    Mostly Sunny

Today 12 Sep Lanai Leeward

Sunny and breezy. Highs 81 to 89. Northeast Winds up to 20 Mph.

Tonight 12 Sep Lanai Leeward

Clear and breezy. Lows 69 to 74. Northeast Winds up to 20 Mph.

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Kaumalapau Harbor Temperature Statistics

September Temperature

Lanai City, Lanai Airport (2.5 miles)

  • Lowest 6 September, 2025

    63 °F

  • Average September

    73 °F

  • Highest 9 September, 2025

    82 °F

Climate (2020–Present)

Lanai City, Lanai Airport (2.5 miles)

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  • Average Low 2020–2025

    64.8 °F

  • Average 2020–2025

    71.5 °F

  • Average High 2020–2025

    78.5 °F
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