Ka'alu'alu Bay Weather Forecast

    • 74
    • 85

    Increasing Clouds

    • 74
    • 85

    Mostly Sunny

    • 73
    • 85

    Mostly Sunny

    • 73
    • 85

    Mostly Sunny

    • 73
    • 85

    Partly Sunny

    • 73
    • 85

    Partly Sunny

    • 72
    • 84

    Partly Sunny

Today 21 Apr Big Island Southeast

Mostly sunny with isolated Showers. Highs 79 to 85 near the shore to 68 to 73 near 4000 feet. Southeast Winds up to 10 Mph. Chance of rain 20 percent.

Tonight 21 Apr Big Island Southeast

Mostly cloudy with isolated Showers in the Evening, then partly cloudy after midnight. Lows 69 to 74 near the shore to around 57 near 4000 feet. Light Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ka'alu'alu Bay Temperature Statistics

April Temperature

Kailua / Kona, Keahole Airport (60.3 miles)

  • Lowest 1 April, 2026

    68 °F

  • Average April

    77.3 °F

  • Highest 18 April, 2026

    84.9 °F

Climate (2021–Present)

Kailua / Kona, Keahole Airport (60.3 miles)

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  • Average Low 2021–2026

    73.3 °F

  • Average 2021–2026

    79 °F

  • Average High 2021–2026

    84.7 °F
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