Ulumalu Weather Forecast
- 73
- 81
Rain Showers
- 73
- 81
Rain Showers
- 74
- 82
Rain Showers
- 75
- 82
Rain Showers
- 76
- 83
Rain Showers
- 75
- 84
Rain Showers
Today 3 Sep Windward Haleakala
Windy. Partly sunny with scattered Showers. Highs around 81 near the shore to 66 to 71 near 5000 feet. East Winds 20 to 30 Mph. Chance of rain 50 percent.
Tonight 3 Sep Windward Haleakala
Windy. Mostly cloudy with scattered Showers. Lows 70 to 75 near the shore to around 57 near 5000 feet. East Winds 20 to 30 Mph with Gusts to 50 Mph. Chance of rain 50 percent.
Ulumalu Temperature Statistics
September Temperature
Kahului, Kahului Airport (9.9 miles)
Lowest 1 September, 2026
75 °FAverage September
78.6 °FHighest 1 September, 2026
84.9 °F
Climate (2021–2026)
Kahului, Kahului Airport (9.9 miles)
Average Low 2021–2026
69 °FAverage 2021–2026
76.7 °FAverage High 2021–2026
85.3 °F