Kupreanof Island Weather Forecast

    • 48
    • 66

    Rain

    • 45
    • 56

    Rain

    • 47
    • 55

    Rain

    • 48
    • 55

    Rain

    • 45
    • 57

    Rain

    • 43
    • 56

    Rain

Today 16 Sep Western Kupreanof and Kuiu Island

Rain early in the Morning, then rain likely in the morning. Slight chance of rain in the afternoon. Rain may be heavy at Times early in the morning. Highs in the mid 60s. East Winds 10 to 15 Mph.

Tonight 16 Sep Western Kupreanof and Kuiu Island

Rain. Lows around 50. Northeast Winds around 10 Mph increasing to southeast 15 to 25 Mph with Gusts to around 40 Mph late.

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Kupreanof Island Temperature Statistics

September Temperature

Kake - Kake Airport (20.5 miles)

  • Lowest 14 September, 2025

    39.9 °F

  • Average September

    54.2 °F

  • Highest 3 September, 2025

    66 °F

Climate (2020–Present)

Kake - Kake Airport (20.5 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    48.9 °F
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