Ka'alu'alu Bay Weather Forecast

    • 74
    • 89

    Rain Showers

    • 74
    • 87

    Partly Sunny

    • 74
    • 87

    Partly Sunny

    • 74
    • 87

    Rain Showers

    • 75
    • 88

    Rain Showers

    • 75
    • 88

    Partly Sunny

    • 75
    • 88

    Partly Sunny

Today 5 Oct Big Island Southeast

Mostly sunny. Breezy. Isolated Showers in the Morning, then scattered Showers in the afternoon. Highs 83 to 91 near the shore to 68 to 77 near 4000 feet. Northeast Winds up to 20 Mph. Chance of rain 50 percent.

Tonight 5 Oct Big Island Southeast

Partly cloudy. Isolated Showers in the evening. Lows 69 to 74 near the shore to 51 to 58 near 4000 feet. North Winds up to 15 Mph. Chance of rain 20 percent.

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Ka'alu'alu Bay Temperature Statistics

October Temperature

Kailua / Kona, Keahole Airport (60.3 miles)

  • Lowest 1 October, 2025

    73.9 °F

  • Average October

    80.8 °F

  • Highest 2 October, 2025

    86 °F

Climate (2020–Present)

Kailua / Kona, Keahole Airport (60.3 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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