Honolulu Nui Bay Weather Forecast

    • 72
    • 80

    Rain Showers

    • 71
    • 80

    Rain Showers

    • 71
    • 80

    Rain Showers

    • 72
    • 82

    Rain Showers

    • 71
    • 81

    Rain Showers

    • 71
    • 81

    Mostly Cloudy

Today 25 Sep Windward Haleakala

Tropical storm Conditions possible. Cloudy. Occasional Showers and isolated Thunderstorms in the Morning, then numerous Showers and isolated Thunderstorms in the afternoon. Locally heavy rainfall possible. Highs around 81 near the shore to around 66 near 5000 feet. East Winds 15 to 30 Mph. Chance of rain 90 percent.

Tonight 25 Sep Windward Haleakala

Tropical storm Conditions possible. Cloudy with numerous Showers and isolated Thunderstorms. Locally heavy rainfall possible. Lows around 74 near the shore to around 59 near 5000 feet. East Winds 15 to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Honolulu Nui Bay Temperature Statistics

September Temperature

Kahului, Kahului Airport (21.7 miles)

  • Lowest 12 September, 2026

    66.9 °F

  • Average September

    80.2 °F

  • Highest 15 September, 2026

    91 °F

Climate (2021–2026)

Kahului, Kahului Airport (21.7 miles)

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  • Average Low 2021–2026

    69 °F

  • Average 2021–2026

    76.8 °F

  • Average High 2021–2026

    85.3 °F
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