Juneau Harbor SPB Weather Forecast

    • 41
    • 47

    Rain

    • 39
    • 44

    Rain Showers

    • 36
    • 43

    Cloudy

    • 31
    • 43

    Mostly Sunny

    • 33
    • 42

    Partly Sunny

    • 34
    • 43

    Chance Rain/Snow

Today 20 Oct City and Borough of Juneau

Windy. Rain Showers and chance of Thunderstorms in the Morning, then rain in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Precipitation may be heavy at Times. Highs in the upper 40s. Southeast Winds 25 to 35 Mph.

Tonight 20 Oct City and Borough of Juneau

Chance of rain in the Evening, then rain Showers late. Lows in the upper 30s. Southeast Winds 15 to 20 Mph shifting to the east around 10 Mph late.

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Juneau Harbor SPB Temperature Statistics

October Temperature

Juneau, Juneau International Airport (6.8 miles)

  • Lowest 10 October, 2026

    28.9 °F

  • Average October

    45.6 °F

  • Highest 4 October, 2026

    54 °F

Climate (2021–2026)

Juneau, Juneau International Airport (6.8 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    48.6 °F
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