Mendenhall Valley Weather Forecast

    • 7
    • 19

    Sunny

    • 5
    • 11

    Sunny

    • 11
    • 18

    Sunny

    • 15
    • 22

    Sunny

    • 22
    • 30

    Mostly Sunny

    • 19
    • 31

    Mostly Sunny

    • 20
    • 28

    Partly Sunny

Today 31 Jan City and Borough of Juneau

Mostly cloudy in the morning then clearing. Highs around 18. East Winds 10 to 15 Mph, except northeast 15 to 25 Mph near Downtown Juneau and Douglas.

Tonight 31 Jan City and Borough of Juneau

Clear. Areas of blowing snow. Lows around 10. East Winds around 15 Mph shifting to the north in the Evening, then shifting to the east late. Near Downtown Juneau and Douglas, northeast Winds 25 to 30 Mph decreasing to 10 to 15 Mph late.

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Mendenhall Valley Temperature Statistics

January Temperature

Juneau, Juneau International Airport (1.2 miles)

  • Lowest 2 January, 2025

    10.9 °F

  • Average January

    34.8 °F

  • Highest 9 January, 2025

    47.6 °F

Climate (2020–Present)

Juneau, Juneau International Airport (1.2 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    43.2 °F

  • Average High 2020–2025

    48.7 °F
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