Sullivan Island State Marine Park Weather Forecast

    • 51
    • 61

    Mostly Cloudy

    • 51
    • 60

    Chance Rain Showers

    • 50
    • 61

    Mostly Cloudy

    • 51
    • 64

    Chance Rain Showers

    • 50
    • 62

    Chance Rain Showers

    • 50
    • 63

    Partly Sunny

Today 14 Jul Haines Borough and Klukwan

Mostly cloudy. Highs in the lower 60s. Southeast Winds around 10 Mph.

Tonight 14 Jul Haines Borough and Klukwan

Mostly cloudy. Lows in the lower 50s. Light Winds.

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Sullivan Island State Marine Park Temperature Statistics

July Temperature

Haines - Haines Airport (20.5 miles)

  • Lowest 7 July, 2026

    50 °F

  • Average July

    55.1 °F

  • Highest 9 July, 2026

    66 °F

Climate (2021–2026)

Haines - Haines Airport (20.5 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    48.4 °F
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