Granite Bay State Marine Park Weather Forecast

    • 35
    • 49

    Partly Sunny

    • 38
    • 48

    Rain Likely

    • 39
    • 44

    Rain Likely

    • 40
    • 47

    Rain Likely

    • 40
    • 49

    Partly Sunny

    • 40
    • 48

    Mostly Cloudy

Today 24 Apr Western Prince William Sound

Partly cloudy in the morning then becoming mostly sunny. Highs in the upper 40s to mid 50s. Light Winds.

Tonight 24 Apr Western Prince William Sound

Partly cloudy. Lows in the upper 20s to upper 30s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Granite Bay State Marine Park Temperature Statistics

April Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 15 April, 2024

    19.9 °F

  • Average April

    37.2 °F

  • Highest 19 April, 2024

    55.7 °F

Climate (2019–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2019–2024

    32.5 °F

  • Average 2019–2024

    38.7 °F

  • Average High 2019–2024

    44.4 °F
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