Amchitka Island - Constantine Harbor Weather Forecast

    • 44
    • 46

    Breezy

    • 44
    • 48

    Rain

    • 42
    • 47

    Rain Showers

    • 41
    • 47

    Rain

    • 42
    • 47

    Rain Likely

    • 42
    • 46

    Rain Likely

Today 8 Oct Western Aleutians

Partly cloudy with scattered rain Showers in the Morning, then mostly sunny in the afternoon. Highs around 50. West wind 15 to 25 Mph.

Tonight 8 Oct Western Aleutians

Mostly cloudy with a chance of rain. Lows in the mid 40s. South wind 15 to 25 Mph increasing to southeast 30 to 45 Mph with Gusts to 60 Mph after midnight.

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Amchitka Island - Constantine Harbor Temperature Statistics

October Temperature

Shemya, Eareckson AFB (237.4 miles)

  • Lowest 4 October, 2025

    41.2 °F

  • Average October

    50 °F

  • Highest 1 October, 2025

    55.8 °F

Climate (2020–Present)

Shemya, Eareckson AFB (237.4 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    40.9 °F

  • Average High 2020–2025

    43.5 °F
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