Bay of Isles - South Arm Weather Forecast

    • 35
    • 38

    Snow Showers Likely

    • 34
    • 35

    Rain/Snow

    • 32
    • 38

    Rain/Snow

    • 30
    • 36

    Snow

    • 26
    • 33

    Snow Likely

    • 25
    • 30

    Chance Snow

    • 27
    • 30

    Chance Snow

Today 18 Nov West Prince William Sound & Whittier

Rain Showers and snow Showers likely. Snow accumulation up to 2 Inches. Highs in the upper 30s. Variable wind 10 Mph.

Tonight 18 Nov West Prince William Sound & Whittier

Snow Showers and rain Showers in the Evening, then a chance of snow Showers and rain Showers after midnight. Snow accumulation up to 3 Inches. Lows in the 30s. Light Winds becoming variable 10 Mph after midnight.

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  • Temperature Forecast NOAA

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Bay of Isles - South Arm Temperature Statistics

November Temperature

Portage, Portage Glacier (47.8 miles)

  • Lowest 11 November, 2025

    6.1 °F

  • Average November

    27.4 °F

  • Highest 1 November, 2025

    44.1 °F

Climate (2020–Present)

Portage, Portage Glacier (47.8 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    39.3 °F

  • Average High 2020–2025

    44.9 °F
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