Poipu Beach Weather Forecast

    • 75
    • 85

    Rain Showers

    • 76
    • 86

    Rain Showers

    • 77
    • 87

    Rain Showers

    • 77
    • 87

    Rain Showers

    • 76
    • 86

    Rain Showers

    • 76
    • 86

    Rain Showers Likely

Today 19 Aug Kauai South

Partly sunny with scattered Showers. Highs 79 to 90. Northeast Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 19 Aug Kauai South

Partly cloudy with isolated Showers. Lows 71 to 77. Northeast Winds around 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Poipu Beach Temperature Statistics

August Temperature

Lihue, Lihue Airport (10.6 miles)

  • Lowest 7 August, 2026

    72 °F

  • Average August

    79.2 °F

  • Highest 13 August, 2026

    86 °F

Climate (2021–2026)

Lihue, Lihue Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    71.7 °F

  • Average 2021–2026

    76.4 °F

  • Average High 2021–2026

    81.9 °F
Get WillyWeather+ to remove ads