Bay of Isles - South Arm Weather Forecast

    • 22
    • 33

    Blizzard

    • 20
    • 26

    Chance Snow Showers

    • 14
    • 27

    Chance Snow

    • 11
    • 22

    Mostly Cloudy

    • 10
    • 21

    Partly Sunny

    • 10
    • 21

    Partly Sunny

Today 6 Mar West Prince William Sound & Whittier

Rain and snow in the Morning, then rain Showers and snow Showers in the afternoon. Precipitation may be heavy at Times in the morning. Snow accumulation up to 15 Inches. Highs in the mid 30s. Southeast wind 25 to 40 Mph. Gusts to 55 Mph decreasing to 45 Mph in the afternoon.

Tonight 6 Mar West Prince William Sound & Whittier

Snow Showers and rain Showers likely in the Evening, then a chance of snow Showers after midnight. Snow accumulation up to 3 Inches. Snow level 200 feet. Lows in the 20s. Southwest wind 30 to 45 Mph with Gusts to 55 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bay of Isles - South Arm Temperature Statistics

March Temperature

Portage, Portage Glacier (47.8 miles)

  • Lowest 2 March, 2026

    -11.9 °F

  • Average March

    0.6 °F

  • Highest 3 March, 2026

    12.9 °F

Climate (2021–Present)

Portage, Portage Glacier (47.8 miles)

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  • Average Low 2021–2026

    32.5 °F

  • Average 2021–2026

    38.3 °F

  • Average High 2021–2026

    43.9 °F
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