Kauai Weather Forecast
- 66
- 71
Rain Showers
- 67
- 71
Rain Showers
- 66
- 72
Rain Showers
- 66
- 72
Rain Showers
- 67
- 71
Rain Showers
- 67
- 71
Rain Showers
Today 9 Aug Kauai Mountains
Partly sunny with scattered Showers. Highs 75 to 83 in the Valleys to around 69 above 4000 feet. East Winds up to 15 Mph. Chance of rain 50 percent.
Tonight 9 Aug Kauai Mountains
Mostly cloudy. Scattered Showers in the Evening, then numerous Showers after midnight. Lows around 70 in the Valleys to around 62 above 4000 feet. East Winds up to 15 Mph increasing to 10 to 15 Mph after midnight. Chance of rain 70 percent.
Kauai Temperature Statistics
August Temperature
Lihue, Lihue Airport (13.7 miles)
Lowest 7 August, 2026
72 °FAverage August
78.7 °FHighest 2 August, 2026
84 °F
Climate (2021–2026)
Lihue, Lihue Airport (13.7 miles)
Average Low 2021–2026
71.7 °FAverage 2021–2026
76.4 °FAverage High 2021–2026
82 °F