Semisopochnoi Island Weather Forecast

    • 41
    • 47

    Mostly Cloudy

    • 43
    • 46

    Chance Rain

    • 42
    • 45

    Chance Rain

    • 42
    • 46

    Chance Rain Showers

    • 43
    • 48

    Breezy

    • 42
    • 47

    Cloudy

Today 5 Jul Western Aleutians

Partly cloudy. Highs in the upper 40s. Light Winds becoming variable 10 Mph in the afternoon.

Tonight 5 Jul Western Aleutians

Mostly cloudy. Lows in the lower 40s. Variable wind 10 Mph.

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  • Temperature Real-Time

Semisopochnoi Island Temperature Statistics

July Temperature

Shemya, Eareckson AFB (236.7 miles)

  • Lowest 1 July, 2025

    41.2 °F

  • Average July

    46.5 °F

  • Highest 3 July, 2025

    51.6 °F

Climate (2020–Present)

Shemya, Eareckson AFB (236.7 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    40.7 °F

  • Average High 2020–2025

    43.3 °F
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