Granite Bay State Marine Park Weather Forecast

    • 30
    • 34

    Rain/Snow

    • 29
    • 34

    Mostly Cloudy

    • 24
    • 31

    Partly Sunny

    • 24
    • 33

    Snow Likely

    • 19
    • 31

    Partly Sunny

    • 18
    • 28

    Partly Sunny

Today 11 Feb West Prince William Sound & Whittier

A chance of rain Showers and snow Showers in the Morning, then rain Showers likely in the afternoon. Snow accumulation up to 1 inch. Snow level 400 feet. Highs in the upper 30s. South wind 10 to 20 Mph. Gusts to 35 Mph decreasing to 25 Mph in the afternoon.

Tonight 11 Feb West Prince William Sound & Whittier

Snow and a chance of rain Showers in the Evening, then a chance of rain Showers and snow Showers after midnight. Snow accumulation up to 1 inch. Snow level 300 feet. Lows in the upper 20s to mid 30s. Northeast wind 10 to 15 Mph with Gusts to 35 Mph.

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Granite Bay State Marine Park Temperature Statistics

February Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 9 February, 2026

    25 °F

  • Average February

    35.8 °F

  • Highest 3 February, 2026

    45 °F

Climate (2021–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    38.6 °F

  • Average High 2021–2026

    44.1 °F
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