Poipu Weather Forecast

    • 74
    • 88

    Mostly Sunny

    • 73
    • 88

    Rain Showers

    • 74
    • 88

    Rain Showers

    • 74
    • 88

    Mostly Sunny

    • 74
    • 88

    Mostly Sunny

    • 74
    • 88

    Mostly Sunny

    • 74
    • 88

    Mostly Sunny

Today 29 Aug Kauai South

Sunny. Highs 83 to 91. East Winds 10 to 15 Mph.

Tonight 29 Aug Kauai South

Partly cloudy with isolated Showers. Lows around 73. Northeast Winds around 10 Mph. Chance of rain 20 percent.

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Poipu Temperature Statistics

August Temperature

Lihue, Lihue Airport (9.9 miles)

  • Lowest 11 August, 2025

    72.6 °F
  • Average August

    81.2 °F
  • Highest 16 August, 2025

    88.6 °F

Climate (2020–Present)

Lihue, Lihue Airport (9.9 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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