South Esther Island State Marine Park Weather Forecast

    • 43
    • 53

    Rain Showers Likely

    • 42
    • 50

    Rain Showers

    • 41
    • 51

    Rain Showers

    • 42
    • 52

    Rain

    • 42
    • 48

    Rain

    • 42
    • 51

    Rain

Today 25 May West Prince William Sound & Whittier

Partly sunny. A slight chance of rain in the afternoon. Highs in the lower 50s. Light Winds becoming variable 10 Mph in the afternoon.

Tonight 25 May West Prince William Sound & Whittier

A chance of rain Showers in the Evening, then rain Showers likely after midnight. Lows in the lower 40s. Variable wind 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Esther Island State Marine Park Temperature Statistics

May Temperature

Portage, Portage Glacier (25.5 miles)

  • Lowest 9 May, 2025

    28.9 °F

  • Average May

    43.8 °F

  • Highest 10 May, 2025

    62.7 °F

Climate (2020–Present)

Portage, Portage Glacier (25.5 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    39.1 °F

  • Average High 2020–2025

    44.7 °F
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