Poipu Beach Weather Forecast
- 68
- 81
Rain Showers
- 68
- 80
Partly Sunny
- 68
- 80
Partly Sunny
- 68
- 81
Partly Sunny
- 68
- 80
Partly Sunny
- 67
- 79
Partly Sunny
Today 23 Mar Kauai South
Mostly sunny. Breezy. Isolated Showers in the morning. Highs 76 to 82. Northeast Winds 10 to 20 Mph. Chance of rain 20 percent.
Tonight 23 Mar Kauai South
Clear and breezy. Lows around 67. Northeast Winds 15 to 20 Mph.
Poipu Beach Temperature Statistics
March Temperature
Lihue, Lihue Airport (10.6 miles)
Lowest 18 March, 2026
66.9 °FAverage March
74.4 °FHighest 14 March, 2026
82.9 °F
Climate (2021–Present)
Lihue, Lihue Airport (10.6 miles)
Average Low 2021–2026
71.7 °FAverage 2021–2026
76.5 °FAverage High 2021–2026
82.1 °F