Kawaikini Weather Forecast

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    • 63

    Rain Showers

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    Rain Showers

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    • 62

    Rain Showers

    • 60
    • 62

    Rain Showers

    • 60
    • 63

    Rain Showers

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    • 62

    Rain Showers

Today 15 Sep Kauai Mountains

Mostly sunny with isolated Showers. Highs 77 to 88 in the Valleys to around 68 above 4000 feet. East Winds up to 10 Mph. Chance of rain 20 percent.

Tonight 15 Sep Kauai Mountains

Partly cloudy in the evening then becoming mostly cloudy. Isolated Showers. Lows 64 to 70 in the Valleys to around 60 above 4000 feet. Northeast Winds up to 15 Mph. Chance of rain 20 percent.

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Kawaikini Temperature Statistics

September Temperature

Lihue, Lihue Airport (11.2 miles)

  • Lowest 7 September, 2025

    71.1 °F

  • Average September

    79.4 °F

  • Highest 12 September, 2025

    86 °F

Climate (2020–Present)

Lihue, Lihue Airport (11.2 miles)

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  • Average Low 2020–2025

    71.8 °F

  • Average 2020–2025

    76.5 °F

  • Average High 2020–2025

    82.1 °F
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