Waimea Weather Forecast

    • 66
    • 79

    Rain Showers

    • 66
    • 78

    Rain Showers

    • 66
    • 78

    Mostly Cloudy

    • 67
    • 79

    Mostly Cloudy

    • 67
    • 79

    Mostly Cloudy

    • 67
    • 78

    Rain Showers

    • 65
    • 76

    Rain Showers

Today 18 Sep Big Island North

Cloudy. Isolated Showers in the morning. Highs 65 to 85. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 18 Sep Big Island North

Mostly cloudy. Breezy. Scattered Showers in the Evening, then isolated Showers after midnight. Lows 68 to 76 near the shore to 62 to 69 near 3000 feet. East Winds 10 to 20 Mph. Gusts up to 40 Mph after midnight. Chance of rain 50 percent.

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Waimea Temperature Statistics

September Temperature

Bradshaw Army Air Field / Hawaii (18 miles)

  • Lowest 1 September, 2026

    46.8 °F

  • Average September

    63.9 °F

  • Highest 1 September, 2026

    80.2 °F

Climate (2021–2026)

Bradshaw Army Air Field / Hawaii (18 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    71 °F
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