Green Island - Gibbon Anchorage Weather Forecast

    • 31
    • 35

    Mostly Cloudy

    • 29
    • 35

    Mostly Cloudy

    • 28
    • 34

    Chance Snow

    • 27
    • 33

    Slight Chance Snow

    • 28
    • 33

    Chance Snow

    • 29
    • 34

    Chance Rain/Snow

Today 21 Mar West Prince William Sound & Whittier

Partly sunny with a chance of snow Showers. Highs in the upper 20s to mid 30s. North wind 10 to 20 Mph with Gusts to 40 Mph.

Tonight 21 Mar West Prince William Sound & Whittier

Mostly cloudy. A slight chance of snow Showers in the evening. Lows in the 20s to lower 30s. North wind 10 to 15 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Island - Gibbon Anchorage Temperature Statistics

March Temperature

Portage, Portage Glacier (59 miles)

  • Lowest 2 March, 2026

    -11.9 °F

  • Average March

    10.8 °F

  • Highest 6 March, 2026

    37 °F

Climate (2021–Present)

Portage, Portage Glacier (59 miles)

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  • Average Low 2021–2026

    32.4 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.8 °F
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