Big Island Airport Weather Forecast

    • 45
    • 61

    Mostly Cloudy

    • 45
    • 63

    Partly Sunny

    • 46
    • 67

    Partly Sunny

    • 48
    • 70

    Partly Sunny

    • 50
    • 75

    Chance Rain

    • 48
    • 69

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

Today 30 May Northern Clearwater Mountains

Mostly cloudy. A 40 percent chance of Areas of rain in the morning. Cooler. Highs in the mid 50s to lower 60s. Northwest Winds to 15 Mph.

Tonight 30 May Northern Clearwater Mountains

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Island Airport Temperature Statistics

May Temperature

Lowell (42.3 miles)

  • Lowest 19 May, 2026

    37.9 °F

  • Average May

    58.5 °F

  • Highest 12 May, 2026

    90 °F

Climate (2021–Present)

Lowell (42.3 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    62.8 °F
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