'Ō'iamoi Weather Forecast

    • 75
    • 87

    Rain Showers

    • 76
    • 87

    Mostly Sunny

    • 76
    • 88

    Rain Showers

    • 76
    • 88

    Rain Showers

    • 75
    • 87

    Rain Showers

    • 75
    • 87

    Partly Sunny

Today 17 Sep Niihau

Mostly sunny with isolated Showers in the Morning, then partly sunny with scattered Showers in the afternoon. Highs 82 to 87. East Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 17 Sep Niihau

Mostly clear. Isolated Showers in the evening. Lows 70 to 76. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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'Ō'iamoi Temperature Statistics

September Temperature

Kekaha, Pacific Missile Test Facility Barking Sands (28 miles)

  • Lowest 5 September, 2025

    70 °F

  • Average September

    79.7 °F

  • Highest 1 September, 2025

    88 °F

Climate (2020–Present)

Kekaha, Pacific Missile Test Facility Barking Sands (28 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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