Montague Island Weather Forecast

    • 42
    • 45

    Rain Showers

    • 46
    • 46

    Rain

    • 40
    • 47

    Rain

    • 38
    • 44

    Rain

    • 37
    • 43

    Chance Rain

    • 39
    • 44

    Rain

Today 18 Oct West Prince William Sound & Whittier

Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 40s. Northeast wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 18 Oct West Prince William Sound & Whittier

A chance of rain Showers in the Evening, then rain Showers after midnight. Locally heavy rainfall possible after midnight. Lows in the mid 30s to lower 40s. East wind 15 Mph. Gusts to 30 Mph.

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Montague Island Temperature Statistics

October Temperature

Middleton Island Airport (59.7 miles)

  • Lowest 2 October, 2026

    39 °F

  • Average October

    47 °F

  • Highest 5 October, 2026

    53.1 °F

Climate (2021–2026)

Middleton Island Airport (59.7 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    46.3 °F
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