Sullivan Island State Marine Park Weather Forecast

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    Rain Showers

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    Rain Showers

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    • 53

    Rain Showers

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    Rain Showers Likely

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    Chance Rain Showers

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    Rain Showers Likely

Today 20 Sep Haines Borough and Klukwan

Rain Showers. Highs in the mid 50s. Southeast Winds 15 to 25 Mph. Gusts up to 40 Mph in the afternoon.

Tonight 20 Sep Haines Borough and Klukwan

Rain Showers. Lows 39 to 45. Southeast Winds 10 to 20 Mph. Gusts up to 40 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Island State Marine Park Temperature Statistics

September Temperature

Haines - Haines Airport (20.5 miles)

  • Lowest 5 September, 2026

    41 °F

  • Average September

    54.6 °F

  • Highest 2 September, 2026

    70 °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

    48.5 °F
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