Kapa'a Beach Weather Forecast

    • 73
    • 88

    Rain Showers

    • 74
    • 87

    Rain Showers

    • 74
    • 87

    Rain Showers

    • 74
    • 87

    Rain Showers

    • 75
    • 87

    Rain Showers

    • 75
    • 87

    Rain Showers

Today 7 Sep Kauai East

Mostly sunny with isolated Showers. Highs 77 to 89. Northeast Winds up to 10 Mph shifting to the southeast around 10 Mph in the afternoon. Chance of rain 20 percent.

Tonight 7 Sep Kauai East

Partly cloudy. Scattered Showers in the Evening, then isolated Showers after midnight. Lows 65 to 78. Light Winds. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Kapa'a Beach Temperature Statistics

September Temperature

Lihue, Lihue Airport (6.2 miles)

  • Lowest 1 September, 2025

    72 °F

  • Average September

    79.9 °F

  • Highest 2 September, 2025

    84.9 °F

Climate (2020–Present)

Lihue, Lihue Airport (6.2 miles)

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

  • Average Low 2020–2025

    71.8 °F

  • Average 2020–2025

    76.5 °F

  • Average High 2020–2025

    82.1 °F
Get WillyWeather+ to remove ads