Big Island Airport Weather Forecast

    • 48
    • 74

    Increasing Clouds

    • 50
    • 74

    Rain

    • 46
    • 59

    Rain

    • 47
    • 72

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

    • 50
    • 74

    Chance Rain

Today 5 Sep Northern Clearwater Mountains

Mostly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s.

Tonight 5 Sep Northern Clearwater Mountains

Mostly cloudy. Lows in the mid 30s to lower 40s.

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Big Island Airport Temperature Statistics

September Temperature

Lowell (42.3 miles)

  • Lowest 1 September, 2026

    50 °F

  • Average September

    59 °F

  • Highest 1 September, 2026

    78.1 °F

Climate (2021–2026)

Lowell (42.3 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    62.6 °F
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