Kauai Weather Forecast

    • 60
    • 71

    Rain Showers

    • 62
    • 70

    Rain Showers

    • 61
    • 72

    Rain Showers

    • 60
    • 70

    Rain Showers

    • 60
    • 71

    Rain Showers

    • 60
    • 71

    Rain Showers

Today 14 Dec Kauai Mountains

Cloudy with numerous Showers and isolated Thunderstorms. Locally heavy rainfall possible. Highs 70 to 79 in the Valleys to around 62 above 4000 feet. Light Winds. Chance of rain 70 percent.

Tonight 14 Dec Kauai Mountains

Cloudy. Numerous Showers and isolated Thunderstorms in the Evening, then Showers and isolated Thunderstorms after midnight. Locally heavy rainfall possible. Lows 62 to 67 in the Valleys to around 56 above 4000 feet. Light Winds becoming southwest up to 15 Mph after midnight. Chance of rain 90 percent.

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Kauai Temperature Statistics

December Temperature

Lihue, Lihue Airport (13.7 miles)

  • Lowest 10 December, 2025

    64 °F

  • Average December

    74.5 °F

  • Highest 5 December, 2025

    82.9 °F

Climate (2020–Present)

Lihue, Lihue Airport (13.7 miles)

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  • Average Low 2020–2025

    71.7 °F

  • Average 2020–2025

    76.5 °F

  • Average High 2020–2025

    82 °F
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