Horseshoe Bay State Marine Park Weather Forecast

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    Chance Rain

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    Rain Showers

Today 22 Sep West Prince William Sound & Whittier

Numerous rain Showers in the Morning, then isolated rain Showers in the afternoon. Highs in the lower 50s. North wind 15 Mph.

Tonight 22 Sep West Prince William Sound & Whittier

Mostly clear. Lows in the 40s. Northwest wind 10 to 20 Mph with Gusts to 30 Mph.

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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

    53.7 °F

  • Highest 13 September, 2026

    68 °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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