Ka'ūpūlehu Beach Weather Forecast

    • 77
    • 90

    Isolated Thunderstorms

    • 77
    • 91

    Rain Showers

    • 76
    • 91

    Rain Showers

    • 76
    • 90

    Mostly Cloudy

    • 75
    • 89

    Mostly Cloudy

    • 75
    • 89

    Mostly Cloudy

    • 75
    • 89

    Partly Sunny

Today 25 Sep Kohala

Mostly sunny with isolated Showers. Highs 68 to 90. Light Winds becoming northwest up to 15 Mph in the afternoon. Chance of rain 20 percent.

Tonight 25 Sep Kohala

Tropical storm Conditions Expected with hurricane Conditions possible. Cloudy. Isolated Showers and Thunderstorms early in the Evening, then scattered Showers and isolated Thunderstorms in the late evening and overnight. Locally heavy rainfall possible in the late evening and overnight. Lows 73 to 78 near the shore to 59 to 64 above 4000 feet. East Winds up to 55 Mph with Gusts to 85 Mph. Chance of rain 50 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

    82.6 °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

    84.8 °F
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