Fern Forest Weather Forecast

    • 62
    • 72

    Rain Showers

    • 65
    • 74

    Rain Showers

    • 65
    • 74

    Rain Showers

    • 62
    • 71

    Rain Showers

    • 63
    • 71

    Rain Showers

    • 63
    • 72

    Rain Showers

Today 7 Sep Big Island East

Partly sunny with scattered Showers. Highs 80 to 87 near the shore to 66 to 71 at 4000 feet. East Winds up to 10 Mph. Chance of rain 50 percent.

Tonight 7 Sep Big Island East

Mostly cloudy with scattered Showers in the Evening, then partly cloudy with isolated Showers after midnight. Lows 64 to 71 near the shore to 50 to 58 at 4000 feet. North Winds up to 10 Mph. Chance of rain 40 percent.

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Fern Forest Temperature Statistics

September Temperature

Hilo, Hilo International Airport (18 miles)

  • Lowest 2 September, 2025

    69.1 °F

  • Average September

    77 °F

  • Highest 5 September, 2025

    87.1 °F

Climate (2020–Present)

Hilo, Hilo International Airport (18 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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