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.

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Wainaku Temperature Statistics

September Temperature

Hilo, Hilo International Airport (2.5 miles)

  • Lowest 1 September, 2026

    73 °F
  • Average September

    77.5 °F
  • Highest 1 September, 2026

    82.9 °F

Climate (2021–2026)

Hilo, Hilo International Airport (2.5 miles)

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  • Average Low 2021–2026

    68.2 °F
  • Average 2021–2026

    74.4 °F
  • Average High 2021–2026

    82.1 °F
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