Portland Island Weather Forecast

    • 52
    • 62

    Chance Rain Showers

    • 52
    • 60

    Slight Chance Rain Showers

    • 51
    • 58

    Mostly Cloudy

    • 52
    • 62

    Mostly Cloudy

    • 52
    • 61

    Mostly Cloudy

    • 51
    • 59

    Chance Rain Showers

    • 50
    • 57

    Chance Rain Showers

Today 23 Jun City and Borough of Juneau

Mostly cloudy. Chance of rain Showers and patchy fog early in the Morning, then chance of Sprinkles. Highs in the mid 60s. Light Winds.

Tonight 23 Jun City and Borough of Juneau

Mostly cloudy. Chance of rain Showers late. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Island Temperature Statistics

June Temperature

Juneau, Juneau International Airport (5.6 miles)

  • Lowest 1 June, 2026

    34 °F

  • Average June

    54.2 °F

  • Highest 2 June, 2026

    78.1 °F

Climate (2021–2026)

Juneau, Juneau International Airport (5.6 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    48.5 °F
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