Haleakala National Park Weather Forecast

    • 50
    • 62

    Rain Showers

    • 51
    • 65

    Rain Showers

    • 51
    • 65

    Rain Showers

    • 50
    • 64

    Rain Showers

    • 50
    • 63

    Rain Showers

    • 49
    • 62

    Rain Showers

Today 15 May Haleakala Summit

Mostly cloudy. Isolated Showers in the Morning, then scattered Showers and isolated Thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs 51 to 69. Southeast Winds up to 10 Mph. Chance of rain 50 percent.

Tonight 15 May Haleakala Summit

Mostly cloudy with scattered Showers. Locally heavy rainfall possible in the evening. Lows around 46 at the visitor center to around 43 at the summit. Southeast Winds up to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Haleakala National Park Temperature Statistics

May Temperature

Kahului, Kahului Airport (22.4 miles)

  • Lowest 6 May, 2026

    64.9 °F

  • Average May

    76.3 °F

  • Highest 5 May, 2026

    84.9 °F

Climate (2021–Present)

Kahului, Kahului Airport (22.4 miles)

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  • Average Low 2021–2026

    68.9 °F

  • Average 2021–2026

    76.7 °F

  • Average High 2021–2026

    85.4 °F
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