Culross Island Weather Forecast

    • 28
    • 37

    Chance Snow Showers

    • 24
    • 30

    Slight Chance Snow Showers

    • 22
    • 31

    Mostly Sunny

    • 28
    • 32

    Snow Likely

    • 30
    • 34

    Rain/Snow Likely

    • 30
    • 34

    Chance Rain/Snow

Today 20 Oct West Prince William Sound & Whittier

Mostly cloudy. A slight chance of rain in the Morning, then a chance of rain Showers in the afternoon. Highs in the mid 40s. West wind 15 to 30 Mph with Gusts to 65 Mph.

Tonight 20 Oct West Prince William Sound & Whittier

Mostly cloudy. A chance of rain Showers and snow Showers in the Evening, then a chance of snow and a slight chance of rain Showers after midnight. Lows in the mid 30s. West wind 10 to 20 Mph. Gusts to 45 Mph in the evening.

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Culross Island Temperature Statistics

October Temperature

Portage, Portage Glacier (23 miles)

  • Lowest 18 October, 2026

    28.9 °F
  • Average October

    41.1 °F
  • Highest 15 October, 2026

    50 °F

Climate (2021–2026)

Portage, Portage Glacier (23 miles)

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  • Average Low 2021–2026

    32.3 °F
  • Average 2021–2026

    38.3 °F
  • Average High 2021–2026

    43.9 °F
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