Niihau Weather Forecast

    • 75
    • 86

    Mostly Sunny

    • 75
    • 86

    Mostly Sunny

    • 75
    • 86

    Mostly Sunny

    • 75
    • 86

    Mostly Sunny

    • 75
    • 86

    Mostly Sunny

    • 75
    • 86

    Mostly Sunny

Today 26 Aug Niihau

Sunny and breezy. Isolated Showers in the afternoon. Highs 81 to 87. East Winds 10 to 20 Mph. Chance of rain 20 percent.

Tonight 26 Aug Niihau

Mostly clear. Breezy. Lows 71 to 78. East Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Niihau Temperature Statistics

August Temperature

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

  • Lowest 13 August, 2026

    73 °F

  • Average August

    80.6 °F

  • Highest 15 August, 2026

    89.1 °F

Climate (2021–2026)

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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