Wainaku Weather Forecast
- 69
- 81
Rain Showers
- 70
- 81
Mostly Cloudy
- 70
- 81
Mostly Cloudy
- 69
- 80
Cloudy
- 69
- 80
Mostly Cloudy
- 69
- 81
Mostly Cloudy
- 69
- 80
Mostly Cloudy
Today 12 Apr Big Island East
Partly sunny. Scattered Showers late in the Morning, then isolated Showers in the afternoon. Highs around 81 near the shore to around 69 at 4000 feet. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.
Tonight 12 Apr Big Island East
Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Isolated Showers until early Morning, then scattered Showers late in the night. Lows 62 to 71 near the shore to 54 to 59 at 4000 feet. Southeast Winds up to 10 Mph. Chance of rain 40 percent.
Wainaku Temperature Statistics
April Temperature
Hilo, Hilo International Airport (2.5 miles)
Lowest 5 April, 2026
61 °FAverage April
72.1 °FHighest 9 April, 2026
82 °F
Climate (2021–Present)
Hilo, Hilo International Airport (2.5 miles)
Average Low 2021–2026
68.1 °FAverage 2021–2026
74.4 °FAverage High 2021–2026
82.2 °F