Ka'ūpūlehu Beach Weather Forecast

    • 75
    • 88

    Partly Sunny

    • 74
    • 88

    Partly Sunny

    • 75
    • 89

    Rain Showers

    • 75
    • 89

    Rain Showers

    • 77
    • 90

    Mostly Sunny

    • 77
    • 91

    Rain Showers

    • 77
    • 91

    Rain Showers

Today 11 Sep Kohala

Mostly sunny late in the morning then becoming partly sunny. Highs 84 to 90 near the shore to 68 to 73 above 4000 feet. Northwest Winds up to 10 Mph.

Tonight 11 Sep Kohala

Mostly cloudy in the evening then becoming partly cloudy. Lows 71 to 76 near the shore to 54 to 60 above 4000 feet. Southeast Winds up to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ka'ūpūlehu Beach Temperature Statistics

September Temperature

Kailua / Kona, Keahole Airport (7.5 miles)

  • Lowest 1 September, 2026

    75.9 °F

  • Average September

    82.7 °F

  • Highest 4 September, 2026

    89.1 °F

Climate (2021–2026)

Kailua / Kona, Keahole Airport (7.5 miles)

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  • Average Low 2021–2026

    73.4 °F

  • Average 2021–2026

    79.1 °F

  • Average High 2021–2026

    84.7 °F
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