Montague Island Weather Forecast

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    • 58

    Rain Showers

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    • 56

    Rain Showers

    • 46
    • 54

    Rain Showers Likely

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    • 53

    Chance Rain Showers

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    Rain Showers

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    Rain Showers

Today 20 Sep West Prince William Sound & Whittier

Showers. Highs in the mid 50s. North wind 10 to 25 Mph.

Tonight 20 Sep West Prince William Sound & Whittier

Showers likely. Lows in the mid 40s to lower 50s. Southwest wind 10 to 20 Mph. Gusts to 30 Mph.

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Montague Island Temperature Statistics

September Temperature

Middleton Island Airport (59.7 miles)

  • Lowest 14 September, 2026

    46.9 °F

  • Average September

    54 °F

  • Highest 3 September, 2026

    63 °F

Climate (2021–2026)

Middleton Island Airport (59.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    43.6 °F

  • Average High 2021–2026

    46.3 °F
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