Kauai Weather Forecast

    • 59
    • 69

    Rain Showers

    • 59
    • 70

    Rain Showers

    • 59
    • 69

    Rain Showers

    • 59
    • 70

    Rain Showers

    • 61
    • 72

    Rain Showers

    • 62
    • 74

    Rain Showers

Today 12 May Kauai Mountains

Mostly cloudy. Breezy. Numerous Showers in the Morning, then scattered Showers in the afternoon. Highs 73 to 79 in the Valleys to around 64 above 4000 feet. East Winds 10 to 20 Mph. Chance of rain 60 percent.

Tonight 12 May Kauai Mountains

Partly cloudy. Breezy. Isolated Showers in the evening. Lows 61 to 68 in the Valleys to around 57 above 4000 feet. East Winds 10 to 20 Mph. Chance of rain 20 percent.

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Kauai Temperature Statistics

May Temperature

Lihue, Lihue Airport (13.7 miles)

  • Lowest 6 May, 2026

    66.9 °F

  • Average May

    74.6 °F

  • Highest 5 May, 2026

    81 °F

Climate (2021–Present)

Lihue, Lihue Airport (13.7 miles)

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  • Average Low 2021–2026

    71.7 °F

  • Average 2021–2026

    76.5 °F

  • Average High 2021–2026

    82.1 °F
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