Ka'ūpūlehu Beach Weather Forecast

    • 77
    • 90

    Rain Showers

    • 77
    • 90

    Mostly Cloudy

    • 77
    • 90

    Partly Sunny

    • 77
    • 91

    Mostly Sunny

    • 77
    • 91

    Mostly Cloudy

    • 77
    • 90

    Mostly Cloudy

    • 76
    • 90

    Rain Showers

Today 18 Sep Kohala

Cloudy. Highs 68 to 91. Light Winds becoming northeast 10 to 15 Mph in the afternoon.

Tonight 18 Sep Kohala

Partly cloudy. Breezy. Isolated Showers in the evening. Lows 73 to 78 near the shore to 58 to 63 above 4000 feet. East Winds 10 to 15 Mph shifting to the southeast up to 20 Mph after midnight. Chance of rain 20 percent.

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Ka'ūpūlehu Beach Temperature Statistics

September Temperature

Kailua / Kona, Keahole Airport (7.5 miles)

  • Lowest 1 September, 2026

    75.9 °F

  • Average September

    82.3 °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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