Punalu'u Beach Weather Forecast

    • 77
    • 86

    Rain Showers

    • 75
    • 84

    Rain Showers

    • 75
    • 82

    Rain Showers

    • 75
    • 83

    Rain Showers

    • 76
    • 84

    Mostly Cloudy

Today 16 Sep Big Island Southeast

Breezy. Mostly sunny with isolated Showers. Highs 85 to 97 near the shore to 75 to 82 near 4000 feet. Northeast Winds up to 25 Mph. Gusts up to 45 Mph in the afternoon. Chance of rain 20 percent. Heat index Readings around 110 in the afternoon.

Tonight 16 Sep Big Island Southeast

Breezy. Mostly cloudy with scattered Showers. Lows 70 to 78 near the shore to 58 to 63 near 4000 feet. Northwest Winds up to 25 Mph with Gusts to 45 Mph shifting to the north up to 15 Mph after midnight. Chance of rain 50 percent.

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Punalu'u Beach Temperature Statistics

September Temperature

Hilo, Hilo International Airport (49.7 miles)

  • Lowest 14 September, 2026

    68 °F

  • Average September

    76.9 °F

  • Highest 8 September, 2026

    89.1 °F

Climate (2021–2026)

Hilo, Hilo International Airport (49.7 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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