Montague Island Weather Forecast

    • 42
    • 45

    Chance Rain Showers

    • 44
    • 44

    Rain

    • 42
    • 44

    Chance Rain

    • 41
    • 46

    Rain Likely

    • 40
    • 46

    Rain Likely

    • 39
    • 44

    Rain Likely

Today 18 Oct West Prince William Sound & Whittier

Partly sunny with a chance of rain Showers in the Morning, then sunny in the afternoon. Highs in the lower 40s. Northwest wind 10 to 25 Mph with Gusts to 40 Mph.

Tonight 18 Oct West Prince William Sound & Whittier

Mostly clear. Lows in the 30s. Northwest wind 10 to 25 Mph.

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Montague Island Temperature Statistics

October Temperature

Middleton Island Airport (59.7 miles)

  • Lowest 16 October, 2025

    45 °F

  • Average October

    49.7 °F

  • Highest 2 October, 2025

    54 °F

Climate (2020–Present)

Middleton Island Airport (59.7 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    46.5 °F
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