Koolau Forest Reserve Weather Forecast

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    • 72

    Rain Showers

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    Rain Showers

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    Rain Showers

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    Rain Showers

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    Rain Showers

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    Rain Showers

Today 7 May Windward Haleakala

Mostly sunny with isolated Showers. Highs 80 to 86 near the shore to around 67 near 5000 feet. East Winds up to 10 Mph. Chance of rain 20 percent.

Tonight 7 May Windward Haleakala

Partly cloudy with isolated Showers. Lows 70 to 75 near the shore to around 51 near 5000 feet. East Winds up to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Koolau Forest Reserve Temperature Statistics

May Temperature

Kahului, Kahului Airport (17.4 miles)

  • Lowest 5 May, 2026

    68 °F

  • Average May

    75.9 °F

  • Highest 5 May, 2026

    84.9 °F

Climate (2021–Present)

Kahului, Kahului Airport (17.4 miles)

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.7 °F

  • Average High 2021–2026

    85.4 °F
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