Downtown Juneau Weather Forecast

    • 54
    • 73

    Increasing Clouds

    • 53
    • 70

    Partly Sunny

    • 51
    • 69

    Slight Chance Rain

    • 51
    • 66

    Chance Rain

    • 50
    • 63

    Chance Rain

    • 50
    • 64

    Chance Rain

Today 4 Sep City and Borough of Juneau

Mostly clear. Highs 69 to 75. East Winds around 10 Mph shifting to the west in the afternoon.

Tonight 4 Sep City and Borough of Juneau

Increasing Clouds. Lows in the lower 50s. Light Winds. In Taku Inlet, mostly clear.

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Downtown Juneau Temperature Statistics

September Temperature

Juneau, Juneau International Airport (6.8 miles)

  • Lowest 1 September, 2025

    44.1 °F

  • Average September

    56.4 °F

  • Highest 1 September, 2025

    69.1 °F

Climate (2020–Present)

Juneau, Juneau International Airport (6.8 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    43.3 °F

  • Average High 2020–2025

    48.9 °F
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