Horseshoe Bay State Marine Park Weather Forecast

    • 52
    • 54

    Slight Chance Rain Showers

    • 53
    • 60

    Partly Sunny

    • 53
    • 60

    Partly Sunny

    • 51
    • 58

    Partly Sunny

    • 51
    • 56

    Chance Rain Showers

    • 51
    • 56

    Mostly Cloudy

    • 52
    • 56

    Chance Rain Showers

Today 8 Sep West Prince William Sound & Whittier

Cloudy in the morning then becoming partly sunny. Scattered Showers. Highs in the mid 50s. Southwest wind 10 to 20 Mph with Gusts to 35 Mph.

Tonight 8 Sep West Prince William Sound & Whittier

Mostly clear. Lows around 50. West wind 15 Mph with Gusts to 25 Mph increasing to 15 to 30 Mph after midnight.

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Horseshoe Bay State Marine Park Temperature Statistics

September Temperature

Seward (52.2 miles)

  • Lowest 4 September, 2026

    39 °F

  • Average September

    53.9 °F

  • Highest 1 September, 2026

    66 °F

Climate (2021–2026)

Seward (52.2 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    40.2 °F

  • Average High 2021–2026

    45.6 °F
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