Haleakala National Park Weather Forecast
- 62
- 79
Rain Showers
- 61
- 79
Rain Showers
- 62
- 78
Rain Showers
- 61
- 78
Rain Showers
- 60
- 77
Rain Showers
- 60
- 77
Breezy
Today 22 Sep Haleakala Summit
Breezy. Partly sunny with scattered Showers. Highs around 72 at the visitor center to around 63 at the summit. East Winds up to 20 Mph. Chance of rain 50 percent.
Tonight 22 Sep Haleakala Summit
Mostly cloudy. Isolated Showers in the Evening, then scattered Showers after midnight. Lows around 57 at the visitor center to around 49 at the summit. East Winds 10 to 15 Mph. Chance of rain 50 percent.
Haleakala National Park Temperature Statistics
September Temperature
Kahului, Kahului Airport (22.4 miles)
Lowest 12 September, 2026
66.9 °FAverage September
80.1 °FHighest 15 September, 2026
91 °F
Climate (2021–2026)
Kahului, Kahului Airport (22.4 miles)
Average Low 2021–2026
69 °FAverage 2021–2026
76.7 °FAverage High 2021–2026
85.3 °F