Coghlan Island Weather Forecast

    • 37
    • 42

    Cloudy

    • 38
    • 42

    Increasing Clouds

    • 37
    • 43

    Mostly Cloudy

    • 35
    • 42

    Mostly Cloudy

    • 32
    • 41

    Partly Sunny

    • 25
    • 37

    Mostly Sunny

    • 20
    • 30

    Mostly Sunny

Today 17 Jan City and Borough of Juneau

Cloudy. Slight chance of rain early in the morning. Mendenhall Valley, slight chance of rain and snow early in the morning. Patchy fog in the morning. Highs in the lower 40s. Light Winds.

Tonight 17 Jan City and Borough of Juneau

Cloudy. Patchy fog. Visibility one quarter mile or less at Times. Lows in the lower 30s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coghlan Island Temperature Statistics

January Temperature

Juneau, Juneau International Airport (4.3 miles)

  • Lowest 2 January, 2026

    6.1 °F

  • Average January

    29.1 °F

  • Highest 13 January, 2026

    46 °F

Climate (2021–Present)

Juneau, Juneau International Airport (4.3 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    48.7 °F
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