Niihau Weather Forecast

    • 70
    • 82

    Partly Sunny

    • 70
    • 81

    Mostly Sunny

    • 71
    • 81

    Mostly Sunny

    • 71
    • 81

    Partly Sunny

    • 71
    • 81

    Mostly Sunny

    • 71
    • 81

    Mostly Sunny

    • 71
    • 82

    Mostly Sunny

Today 26 May Niihau

Sunny. Isolated Showers in the afternoon. Highs 77 to 83. East Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 26 May Niihau

Mostly clear. Isolated Showers in the evening. Lows 67 to 73. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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Niihau Temperature Statistics

May Temperature

Kekaha, Pacific Missile Test Facility Barking Sands (25.5 miles)

  • Lowest 1 May, 2026

    68 °F

  • Average May

    76.3 °F

  • Highest 23 May, 2026

    86 °F

Climate (2021–Present)

Kekaha, Pacific Missile Test Facility Barking Sands (25.5 miles)

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  • Average Low 2021–2026

    70 °F

  • Average 2021–2026

    76.7 °F

  • Average High 2021–2026

    83 °F
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