Ulumalu Weather Forecast
- 67
- 78
Partly Sunny
- 67
- 79
Mostly Cloudy
- 67
- 77
Rain Showers
- 68
- 79
Rain Showers
- 67
- 80
Rain Showers
- 66
- 78
Mostly Sunny
Today 29 Jan Windward Haleakala
Mostly sunny with isolated Showers. Highs around 80 near the shore to around 65 near 5000 feet. Northeast Winds up to 10 Mph. Chance of rain 20 percent.
Tonight 29 Jan Windward Haleakala
Partly cloudy. Isolated Showers early in the evening. Lows around 69 near the shore to around 51 near 5000 feet. Light Winds. Chance of rain 20 percent.
Ulumalu Temperature Statistics
January Temperature
Kahului, Kahului Airport (9.9 miles)
Lowest 18 January, 2026
60.1 °FAverage January
73 °FHighest 6 January, 2026
84 °F
Climate (2021–Present)
Kahului, Kahului Airport (9.9 miles)
Average Low 2021–2026
68.8 °FAverage 2021–2026
76.7 °FAverage High 2021–2026
85.4 °F