Composite Island Weather Forecast

    • 52
    • 65

    Chance Rain Showers

    • 53
    • 66

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 54
    • 71

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

Today 9 Aug Glacier Bay

Mostly cloudy. Near excursion Inlet, patchy fog in the morning. Highs 60 to 65. Light Winds.

Tonight 9 Aug Glacier Bay

Mostly cloudy. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Composite Island Temperature Statistics

August Temperature

Haines - Haines Airport (44.7 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    60 °F

  • Highest 1 August, 2026

    72 °F

Climate (2021–2026)

Haines - Haines Airport (44.7 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    48.4 °F
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