Semisopochnoi Island Weather Forecast

    • 31
    • 36

    Chance Rain/Snow

    • 28
    • 32

    Windy

    • 28
    • 31

    Breezy

    • 29
    • 32

    Chance Snow

    • 30
    • 32

    Chance Snow

    • 32
    • 35

    Rain/Snow Likely

    • 32
    • 36

    Rain/Snow Likely

Today 25 Dec Western Aleutians

Mostly cloudy with a chance of rain and snow. Highs in the upper 30s. North wind 25 to 40 Mph with Gusts to 60 Mph.

Tonight 25 Dec Western Aleutians

Mostly cloudy. Lows in the lower 30s. Northeast wind 20 to 35 Mph.

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Semisopochnoi Island Temperature Statistics

December Temperature

Shemya, Eareckson AFB (236.7 miles)

  • Lowest 1 December, 2025

    33.3 °F

  • Average December

    39.5 °F

  • Highest 23 December, 2025

    43.7 °F

Climate (2020–Present)

Shemya, Eareckson AFB (236.7 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    41.1 °F

  • Average High 2020–2025

    43.6 °F
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