Niihau Weather Forecast

    • 74
    • 86

    Rain Showers

    • 75
    • 87

    Rain Showers

    • 75
    • 87

    Rain Showers

    • 74
    • 86

    Rain Showers

    • 73
    • 86

    Mostly Sunny

    • 73
    • 85

    Mostly Sunny

Today 29 Jul Niihau

Partly sunny. Scattered Showers in the Morning, then numerous Showers in the afternoon. Highs 79 to 86. North Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 29 Jul Niihau

Mostly cloudy with scattered Showers. Lows 71 to 78. North Winds 10 to 15 Mph shifting to the south after midnight. Chance of rain 50 percent.

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Niihau Temperature Statistics

July Temperature

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

  • Lowest 8 July, 2026

    70 °F

  • Average July

    78.9 °F

  • Highest 6 July, 2026

    86 °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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