Kapa'a Weather Forecast

    • 72
    • 86

    Rain Showers

    • 72
    • 86

    Mostly Sunny

    • 72
    • 86

    Partly Sunny

    • 72
    • 87

    Rain Showers

    • 71
    • 86

    Rain Showers

    • 75
    • 86

    Rain Showers

Today 19 Sep Kauai East

Breezy. Partly sunny with scattered Showers. Highs 79 to 86. East Winds 10 to 20 Mph. Chance of rain 50 percent.

Tonight 19 Sep Kauai East

Partly cloudy with isolated Showers. Lows 66 to 77. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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Kapa'a Temperature Statistics

September Temperature

Lihue, Lihue Airport (6.8 miles)

  • Lowest 14 September, 2026

    71.1 °F

  • Average September

    78.9 °F

  • Highest 5 September, 2026

    86 °F

Climate (2021–2026)

Lihue, Lihue Airport (6.8 miles)

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  • Average Low 2021–2026

    71.7 °F

  • Average 2021–2026

    76.4 °F

  • Average High 2021–2026

    81.9 °F
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