Keaau Weather Forecast

    • 66
    • 80

    Rain Showers

    • 68
    • 81

    Rain Showers

    • 68
    • 80

    Rain Showers

    • 67
    • 81

    Rain Showers

    • 66
    • 81

    Rain Showers

    • 66
    • 81

    Rain Showers

Today 24 Aug Big Island East

Partly sunny in the morning then becoming mostly sunny. Scattered Showers. Highs 79 to 87 near the shore to 65 to 70 at 4000 feet. East Winds up to 10 Mph. Chance of rain 40 percent.

Tonight 24 Aug Big Island East

Mostly cloudy with scattered Showers. Lows 64 to 70 near the shore to 51 to 57 at 4000 feet. Northeast Winds up to 10 Mph shifting to the west after midnight. Chance of rain 50 percent.

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Keaau Temperature Statistics

August Temperature

Hilo, Hilo International Airport (6.8 miles)

  • Lowest 14 August, 2025

    68.6 °F
  • Average August

    77.2 °F
  • Highest 11 August, 2025

    88.6 °F

Climate (2020–Present)

Hilo, Hilo International Airport (6.8 miles)

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  • Average Low 2020–2025

    68.2 °F
  • Average 2020–2025

    74.5 °F
  • Average High 2020–2025

    82.4 °F
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