Kauai Weather Forecast

    • 66
    • 71

    Rain Showers

    • 66
    • 71

    Rain Showers

    • 66
    • 70

    Rain Showers

    • 66
    • 70

    Rain Showers

    • 66
    • 70

    Rain Showers

    • 66
    • 70

    Rain Showers

    • 66
    • 70

    Rain Showers

Today 24 Sep Kauai Mountains

Partly sunny with isolated Showers. Highs 66 to 82. East Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 24 Sep Kauai Mountains

Breezy. Mostly cloudy with scattered Showers. Lows around 70 in the Valleys to around 62 above 4000 feet. Northeast Winds 10 to 20 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Kauai Temperature Statistics

September Temperature

Lihue, Lihue Airport (13.7 miles)

  • Lowest 14 September, 2026

    71.1 °F

  • Average September

    79.2 °F

  • Highest 5 September, 2026

    86 °F

Climate (2021–2026)

Lihue, Lihue Airport (13.7 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