Nanakuli Forest Reserve Weather Forecast

    • 70
    • 78

    Rain Showers

    • 70
    • 78

    Rain Showers

    • 70
    • 79

    Breezy

    • 69
    • 80

    Mostly Cloudy

    • 69
    • 78

    Mostly Cloudy

    • 68
    • 78

    Rain Showers

    • 68
    • 78

    Rain Showers

Today 25 Sep Waianae Mountains

Partly sunny in the morning then becoming mostly sunny. Scattered Showers. Highs 76 to 91. Southeast Winds around 10 Mph. Chance of rain 30 percent.

Tonight 25 Sep Waianae Mountains

Tropical storm Conditions possible. Mostly cloudy. Lows 67 to 77. East Winds 25 to 40 Mph with Gusts to 65 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nanakuli Forest Reserve Temperature Statistics

September Temperature

Oahu, Kalaeloa Airport (6.2 miles)

  • Lowest 13 September, 2026

    69.1 °F

  • Average September

    80.3 °F

  • Highest 16 September, 2026

    91 °F

Climate (2021–2026)

Oahu, Kalaeloa Airport (6.2 miles)

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  • Average Low 2021–2026

    70.2 °F

  • Average 2021–2026

    77.6 °F

  • Average High 2021–2026

    85.4 °F
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