Mokapu Beach Weather Forecast
- 73
- 86
Mostly Sunny
- 72
- 85
Mostly Sunny
- 72
- 85
Mostly Sunny
- 72
- 85
Mostly Sunny
- 72
- 85
Partly Sunny
- 72
- 86
Mostly Sunny
- 73
- 86
Mostly Sunny
Today 12 Sep South Maui/Upcountry
Mostly sunny. Highs around 88 near the shore to 71 to 76 near 4000 feet. Southwest Winds up to 10 Mph.
Tonight 12 Sep South Maui/Upcountry
Mostly clear. Lows around 72 near the shore to around 57 near 4000 feet. Southwest Winds up to 10 Mph shifting to the east after midnight.
Mokapu Beach Temperature Statistics
September Temperature
Kahului, Kahului Airport (13.7 miles)
Lowest 8 September, 2025
64.9 °FAverage September
79.3 °FHighest 1 September, 2025
93 °F
Climate (2020–Present)
Kahului, Kahului Airport (13.7 miles)
Average Low 2020–2025
68.8 °FAverage 2020–2025
76.8 °FAverage High 2020–2025
85.6 °F