Granite Bay State Marine Park Weather Forecast

    • 48
    • 52

    Rain

    • 45
    • 51

    Rain

    • 44
    • 56

    Chance Rain

    • 45
    • 59

    Mostly Cloudy

    • 47
    • 61

    Partly Sunny

    • 49
    • 64

    Partly Sunny

Today 13 Jun West Prince William Sound & Whittier

Rain. Highs in the lower 50s. East wind 15 to 25 Mph. Gusts to 40 Mph decreasing to 30 Mph in the afternoon.

Tonight 13 Jun West Prince William Sound & Whittier

Rain. Rain may be heavy at Times after midnight. Lows in the upper 40s. Northeast wind 20 to 35 Mph. Gusts to 35 Mph increasing to 50 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Granite Bay State Marine Park Temperature Statistics

June Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 2 June, 2026

    37 °F

  • Average June

    52.3 °F

  • Highest 4 June, 2026

    75.9 °F

Climate (2021–Present)

Portage, Portage Glacier (25.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.1 °F

  • Average High 2021–2026

    43.7 °F
Get WillyWeather+ to remove ads