Knight Island Weather Forecast

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    • 55

    Rain Showers Likely

    • 48
    • 54

    Rain Showers Likely

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    Chance Rain Showers

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    • 51

    Rain Showers

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    Rain Showers

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    Rain Showers

Today 21 Sep West Prince William Sound & Whittier

Mostly cloudy with a chance of Showers. Highs in the lower 50s. South wind 10 to 20 Mph.

Tonight 21 Sep West Prince William Sound & Whittier

Mostly cloudy with a chance of rain Showers. Lows in the 40s. East wind 10 to 15 Mph.

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Knight Island Temperature Statistics

September Temperature

Portage, Portage Glacier (50.3 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    51.5 °F

  • Highest 11 September, 2026

    68 °F

Climate (2021–2026)

Portage, Portage Glacier (50.3 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.8 °F
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