Sumner Island Weather Forecast

    • 30
    • 38

    Blizzard

    • 27
    • 36

    Snow

    • 26
    • 34

    Snow Showers

    • 25
    • 34

    Snow

    • 25
    • 33

    Rain/Snow Likely

    • 26
    • 33

    Snow Likely

    • 28
    • 35

    Rain/Snow Likely

Today 20 Mar Western Kupreanof and Kuiu Island

Widespread snow Showers. Snow accumulation of 1 to 2 Inches. Highs in the mid 30s. South Winds 10 to 15 Mph.

Tonight 20 Mar Western Kupreanof and Kuiu Island

Widespread snow Showers in the Evening, then snow late. Snow accumulation of 1 to 3 Inches. Lows in the lower 30s. Southeast Winds 15 to 25 Mph. Gusts up to 40 Mph late in the night.

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Sumner Island Temperature Statistics

March Temperature

Kake - Kake Airport (38.5 miles)

  • Lowest 14 March, 2026

    21.9 °F

  • Average March

    31.1 °F

  • Highest 6 March, 2026

    45 °F

Climate (2021–Present)

Kake - Kake Airport (38.5 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    48.8 °F
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