Bay of Isles - South Arm Weather Forecast

    • 25
    • 30

    Snow Showers

    • 27
    • 33

    Snow Showers Likely

    • 24
    • 32

    Slight Chance Snow

    • 24
    • 30

    Chance Snow

    • 28
    • 31

    Snow Likely

    • 29
    • 33

    Snow

    • 28
    • 35

    Snow Likely

Today 13 Mar Western Prince William Sound

A chance of snow Showers in the Morning, then snow Showers likely in the afternoon. Snow accumulation up to 3 Inches. Highs in the upper 20s to mid 30s. Coolest inland. Variable wind 10 Mph.

Tonight 13 Mar Western Prince William Sound

Mostly cloudy with a chance of snow Showers. Lows 15 to 20 inland and in the mid 20s along the coast. Variable wind 10 Mph.

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Bay of Isles - South Arm Temperature Statistics

March Temperature

Portage, Portage Glacier (47.8 miles)

  • Lowest 8 March, 2025

    26.1 °F

  • Average March

    36.3 °F

  • Highest 4 March, 2025

    46.7 °F

Climate (2020–Present)

Portage, Portage Glacier (47.8 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    39 °F

  • Average High 2020–2025

    44.6 °F
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