Semisopochnoi Island Weather Forecast

    • 42
    • 47

    Mostly Cloudy

    • 43
    • 46

    Chance Rain

    • 42
    • 48

    Chance Rain

    • 42
    • 48

    Cloudy

    • 42
    • 48

    Chance Rain Showers

    • 43
    • 49

    Chance Rain Showers

Today 15 Jul Shemya and Attu Islands

Mostly cloudy. Scattered Showers in the morning. Highs around 50. North wind 15 Mph in the morning becoming light.

Tonight 15 Jul Shemya and Attu Islands

Mostly cloudy with a chance of rain. Lows in the mid 40s. South wind 15 Mph.

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Semisopochnoi Island Temperature Statistics

July Temperature

Shemya, Eareckson AFB (236.7 miles)

  • Lowest 3 July, 2026

    42.4 °F

  • Average July

    45.1 °F

  • Highest 1 July, 2026

    49.5 °F

Climate (2021–2026)

Shemya, Eareckson AFB (236.7 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    43.7 °F
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