Wainaku Weather Forecast
- 69
- 81
Rain Showers
- 69
- 81
Rain Showers
- 70
- 83
Rain Showers
- 71
- 82
Rain Showers
- 73
- 85
Rain Showers
- 72
- 85
Rain Showers
- 70
- 82
Rain Showers
Today 3 Sep Big Island East
Partly sunny with scattered Showers. Highs 79 to 85 near the shore to 65 to 71 at 4000 feet. Northeast Winds 10 to 15 Mph. Chance of rain 50 percent.
Tonight 3 Sep Big Island East
Mostly cloudy with scattered Showers. Lows 66 to 74 near the shore to 56 to 61 at 4000 feet. East Winds 10 to 15 Mph. Chance of rain 50 percent.
Wainaku Temperature Statistics
September Temperature
Hilo, Hilo International Airport (2.5 miles)
Lowest 1 September, 2026
73 °FAverage September
77.5 °FHighest 1 September, 2026
82.9 °F
Climate (2021–2026)
Hilo, Hilo International Airport (2.5 miles)
Average Low 2021–2026
68.2 °FAverage 2021–2026
74.4 °FAverage High 2021–2026
82.1 °F