Wainaku Weather Forecast

    • 67
    • 81

    Rain Showers

    • 68
    • 81

    Rain Showers

    • 67
    • 80

    Rain Showers

    • 66
    • 79

    Rain Showers

    • 66
    • 79

    Rain Showers

    • 65
    • 78

    Rain Showers

Today 16 May Big Island East

Cloudy. Occasional Showers in the Morning, then numerous Showers in the afternoon. Highs 79 to 84 near the shore to around 70 at 4000 feet. Southeast Winds up to 15 Mph. Chance of rain 90 percent.

Tonight 16 May Big Island East

Mostly cloudy with numerous Showers. Lows 65 to 71 near the shore to around 59 at 4000 feet. Southeast Winds up to 10 Mph in the evening becoming light. Chance of rain 70 percent.

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Wainaku Temperature Statistics

May Temperature

Hilo, Hilo International Airport (2.5 miles)

  • Lowest 6 May, 2026

    66 °F

  • Average May

    74.4 °F

  • Highest 6 May, 2026

    82.9 °F

Climate (2021–Present)

Hilo, Hilo International Airport (2.5 miles)

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  • Average Low 2021–2026

    68.1 °F

  • Average 2021–2026

    74.4 °F

  • Average High 2021–2026

    82.2 °F
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