Haleakala National Park Weather Forecast

    • 51
    • 63

    Rain Showers

    • 52
    • 64

    Rain Showers

    • 51
    • 64

    Rain Showers

    • 51
    • 64

    Rain Showers

    • 51
    • 64

    Rain Showers

    • 50
    • 62

    Partly Sunny

Today 18 Sep Haleakala Summit

Mostly sunny. Breezy. Scattered Showers in the morning. Highs 57 to 73. East Winds up to 25 Mph. Chance of rain 50 percent.

Tonight 18 Sep Haleakala Summit

Windy. Mostly cloudy with isolated Showers in the Evening, then partly cloudy with scattered Showers after midnight. Lows 45 to 56. East Winds up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Haleakala National Park Temperature Statistics

September Temperature

Kahului, Kahului Airport (22.4 miles)

  • Lowest 8 September, 2025

    64.9 °F

  • Average September

    79.7 °F

  • Highest 1 September, 2025

    93 °F

Climate (2020–Present)

Kahului, Kahului Airport (22.4 miles)

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  • Average Low 2020–2025

    68.8 °F

  • Average 2020–2025

    76.8 °F

  • Average High 2020–2025

    85.6 °F
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