Kailua Weather Forecast

    • 71
    • 81

    Rain Showers

    • 71
    • 81

    Rain Showers

    • 73
    • 80

    Rain Showers

    • 73
    • 80

    Rain Showers

    • 73
    • 79

    Rain Showers

    • 73
    • 79

    Rain Showers

Today 16 Sep Windward Haleakala

Mostly cloudy. Scattered Showers in the Morning, then numerous Showers in the afternoon. Highs around 83 near the shore to around 70 near 5000 feet. East Winds up to 15 Mph. Chance of rain 70 percent.

Tonight 16 Sep Windward Haleakala

Breezy. Cloudy with Showers. Lows around 72 near the shore to around 55 near 5000 feet. East Winds up to 20 Mph. Chance of rain 90 percent.

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Kailua Temperature Statistics

September Temperature

Kahului, Kahului Airport (14.9 miles)

  • Lowest 12 September, 2026

    66.9 °F

  • Average September

    79.7 °F

  • Highest 7 September, 2026

    89.1 °F

Climate (2021–2026)

Kahului, Kahului Airport (14.9 miles)

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  • Average Low 2021–2026

    69 °F

  • Average 2021–2026

    76.7 °F

  • Average High 2021–2026

    85.3 °F
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