Montague Island Weather Forecast

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    • 58

    Mostly Sunny

    • 53
    • 60

    Mostly Cloudy

    • 53
    • 54

    Rain Likely

    • 52
    • 58

    Chance Rain Showers

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    • 58

    Chance Rain Showers

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    Chance Rain Showers

Today 23 Aug West Prince William Sound & Whittier

Partly cloudy. Scattered Showers in the morning. Highs in the upper 50s. Northwest wind 15 Mph with Gusts to 30 Mph.

Tonight 23 Aug West Prince William Sound & Whittier

Clear. Lows in the upper 40s to mid 50s. Southwest wind 15 Mph with Gusts to 25 Mph.

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Montague Island Temperature Statistics

August Temperature

Middleton Island Airport (59.7 miles)

  • Lowest 2 August, 2026

    51.1 °F

  • Average August

    55.6 °F

  • Highest 15 August, 2026

    62.1 °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

    46.2 °F
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