Kapaau Weather Forecast

    • 72
    • 82

    Rain Showers

    • 73
    • 82

    Rain Showers

    • 72
    • 82

    Rain Showers

    • 72
    • 82

    Breezy

    • 71
    • 82

    Breezy

    • 72
    • 81

    Breezy

Today 18 Sep Big Island North

Mostly cloudy. Breezy. Isolated Showers in the morning. Highs 79 to 85 near the shore to 71 to 81 near 3000 feet. East Winds up to 25 Mph increasing to 10 to 25 Mph in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Big Island North

Mostly cloudy. Breezy. Isolated Showers in the evening. Lows 66 to 74 near the shore to 58 to 64 near 3000 feet. East Winds 10 to 25 Mph. Chance of rain 20 percent.

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Kapaau Temperature Statistics

September Temperature

Kailua / Kona, Keahole Airport (37.3 miles)

  • Lowest 2 September, 2025

    75 °F
  • Average September

    81.6 °F
  • Highest 12 September, 2025

    88 °F

Climate (2020–Present)

Kailua / Kona, Keahole Airport (37.3 miles)

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  • Average Low 2020–2025

    73.3 °F
  • Average 2020–2025

    79 °F
  • Average High 2020–2025

    84.7 °F
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