Semisopochnoi Island Weather Forecast

    • 31
    • 33

    Snow

    • 32
    • 34

    Snow Likely

    • 32
    • 35

    Snow Showers

    • 30
    • 34

    Snow

    • 30
    • 33

    Snow

    • 30
    • 34

    Rain/Snow Likely

    • 31
    • 35

    Rain/Snow Likely

Today 4 Dec Western Aleutians

A slight chance of rain in the Morning, then rain in the afternoon. Rain may be heavy at Times in the afternoon. Highs in the upper 30s. Southeast wind 35 to 50 Mph with Gusts to 70 Mph.

Tonight 4 Dec Western Aleutians

Rain and a chance of snow Showers in the Evening, then a slight chance of rain Showers and snow Showers after midnight. No snow accumulation. Lows in the lower 30s. West wind 15 to 30 Mph. Gusts to 55 Mph in the evening.

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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

    35.6 °F

  • Highest 1 December, 2025

    36.9 °F

Climate (2020–Present)

Shemya, Eareckson AFB (236.7 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    41 °F

  • Average High 2020–2025

    43.6 °F
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