Grand Island Weather Forecast

    • 54
    • 65

    Mostly Cloudy

    • 53
    • 65

    Mostly Cloudy

    • 53
    • 63

    Mostly Cloudy

    • 53
    • 65

    Mostly Cloudy

    • 54
    • 66

    Partly Sunny

    • 53
    • 65

    Slight Chance Rain Showers

Today 2 Aug City and Borough of Juneau

Decreasing Clouds. Highs 64 to 70. Light Winds becoming west around 10 Mph in the afternoon.

Tonight 2 Aug City and Borough of Juneau

Mostly cloudy. Near Downtown Juneau and Douglas, patchy fog late. Lows in the mid 50s. Light Winds.

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Grand Island Temperature Statistics

August Temperature

Juneau, Juneau International Airport (24.2 miles)

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  • Average August

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Climate (2021–2026)

Juneau, Juneau International Airport (24.2 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    48.4 °F
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