Juneau Weather Forecast

    • 48
    • 59

    Rain

    • 50
    • 55

    Rain

    • 52
    • 58

    Rain

    • 49
    • 58

    Rain

    • 48
    • 56

    Rain

    • 47
    • 55

    Rain

Today 17 Sep City and Borough of Juneau

Windy, rain. Rain may be heavy at Times. Highs 56 to 62. East Winds 25 to 35 Mph becoming southeast 15 to 25 Mph in the afternoon. In Taku Inlet, southeast Winds 10 to 15 Mph shifting to the south 15 to 25 Mph in the afternoon.

Tonight 17 Sep City and Borough of Juneau

Rain. Lows in the upper 40s. Southeast Winds 10 to 20 Mph.

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Juneau Temperature Statistics

September Temperature

Juneau, Juneau International Airport (6.8 miles)

  • Lowest 14 September, 2025

    39 °F

  • Average September

    55.8 °F

  • Highest 3 September, 2025

    73 °F

Climate (2020–Present)

Juneau, Juneau International Airport (6.8 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    43.3 °F

  • Average High 2020–2025

    48.9 °F
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