Amchitka Island - Constantine Harbor Weather Forecast

    • 40
    • 44

    Breezy

    • 40
    • 43

    Partly Sunny

    • 39
    • 43

    Rain

    • 41
    • 45

    Rain Likely

    • 41
    • 45

    Rain Likely

    • 40
    • 44

    Chance Rain

Today 13 Oct Shemya and Attu Islands

Partly sunny. A slight chance of rain in the morning. Highs in the lower 40s. Northwest wind 15 to 30 Mph.

Tonight 13 Oct Shemya and Attu Islands

Mostly cloudy. Isolated rain Showers after midnight. Lows around 40. West wind 10 to 15 Mph.

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Amchitka Island - Constantine Harbor Temperature Statistics

October Temperature

Shemya, Eareckson AFB (237.4 miles)

  • Lowest 10 October, 2026

    40.3 °F

  • Average October

    47.7 °F

  • Highest 5 October, 2026

    53.4 °F

Climate (2021–2026)

Shemya, Eareckson AFB (237.4 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    43.7 °F
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