Niihau Weather Forecast

    • 74
    • 88

    Rain Showers

    • 73
    • 87

    Partly Sunny

    • 73
    • 87

    Mostly Sunny

    • 73
    • 87

    Mostly Sunny

    • 73
    • 86

    Mostly Sunny

    • 73
    • 86

    Mostly Sunny

    • 74
    • 87

    Mostly Sunny

Today 20 Aug Niihau

Sunny. Highs 82 to 88. East Winds 10 to 15 Mph.

Tonight 20 Aug Niihau

Mostly clear. Lows 70 to 76. East Winds 10 to 15 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 1 August, 2025

    71.1 °F

  • Average August

    80.9 °F

  • Highest 18 August, 2025

    90 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    69.9 °F

  • Average 2020–2025

    76.7 °F

  • Average High 2020–2025

    83.1 °F
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