Black Sand Beach (Oneuli Beach) Weather Forecast
- 74
- 84
Mostly Sunny
- 73
- 84
Partly Sunny
- 73
- 83
Mostly Sunny
- 73
- 83
Partly Sunny
- 73
- 83
Mostly Cloudy
- 73
- 82
Mostly Cloudy
Today 22 Oct South Maui/Upcountry
Sunny in the Morning, then partly sunny with isolated Showers in the afternoon. Highs around 87 near the shore to 69 to 74 near 4000 feet. Southeast Winds up to 15 Mph. Chance of rain 20 percent.
Tonight 22 Oct South Maui/Upcountry
Mostly clear. Lows around 70 near the shore to around 54 near 4000 feet. East Winds up to 15 Mph.
Black Sand Beach (Oneuli Beach) Temperature Statistics
October Temperature
Kahului, Kahului Airport (17.4 miles)
Lowest 14 October, 2025
66 °FAverage October
79.1 °FHighest 11 October, 2025
91 °F
Climate (2020–Present)
Kahului, Kahului Airport (17.4 miles)
Average Low 2020–2025
68.8 °FAverage 2020–2025
76.8 °FAverage High 2020–2025
85.6 °F