Haiku Weather Forecast
- 68
- 79
Rain Showers
- 69
- 80
Rain Showers
- 69
- 81
Partly Sunny
- 70
- 81
Rain Showers
- 71
- 82
Rain Showers
- 70
- 82
Rain Showers
Today 29 May Windward Haleakala
Partly sunny in the morning then becoming mostly sunny. Breezy. Scattered Showers. Highs 79 to 85 near the shore to around 64 near 5000 feet. East Winds up to 20 Mph. Chance of rain 50 percent.
Tonight 29 May Windward Haleakala
Partly cloudy in the evening then becoming mostly cloudy. Scattered Showers. Lows 66 to 72 near the shore to around 46 near 5000 feet. Southeast Winds up to 15 Mph. Chance of rain 50 percent.
Haiku Temperature Statistics
May Temperature
Kahului, Kahului Airport (6.8 miles)
Lowest 6 May, 2026
64.9 °FAverage May
76.2 °FHighest 17 May, 2026
89.1 °F
Climate (2021–Present)
Kahului, Kahului Airport (6.8 miles)
Average Low 2021–2026
68.9 °FAverage 2021–2026
76.7 °FAverage High 2021–2026
85.4 °F