Kaumalapau Harbor Weather Forecast

    • 75
    • 86

    Mostly Cloudy

    • 75
    • 84

    Rain Showers

    • 76
    • 84

    Rain Showers

    • 75
    • 84

    Rain Showers

    • 74
    • 84

    Mostly Sunny

    • 74
    • 84

    Mostly Sunny

    • 74
    • 84

    Mostly Sunny

Today 23 Sep Lanai Leeward

Sunny. Highs 80 to 86. East Winds up to 10 Mph.

Tonight 23 Sep Lanai Leeward

Mostly cloudy. Breezy. Lows 73 to 78. Northeast Winds 10 to 25 Mph.

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Kaumalapau Harbor Temperature Statistics

September Temperature

Lanai City, Lanai Airport (2.5 miles)

  • Lowest 12 September, 2026

    66 °F

  • Average September

    75 °F

  • Highest 16 September, 2026

    84 °F

Climate (2021–2026)

Lanai City, Lanai Airport (2.5 miles)

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  • Average Low 2021–2026

    65 °F

  • Average 2021–2026

    71.5 °F

  • Average High 2021–2026

    78.5 °F
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