Cat Island Weather Forecast

    • 27
    • 43

    Rain

    • 24
    • 36

    Slight Chance Rain/Snow

    • 23
    • 31

    Mostly Cloudy

    • 24
    • 29

    Partly Sunny

    • 27
    • 32

    Rain/Snow Likely

    • 33
    • 35

    Snow

    • 31
    • 35

    Rain/Snow Likely

Today 9 Dec Ketchikan Gateway Borough

Flurries early in the Morning, then snow and rain in the morning. Rain in the afternoon. Rain may be heavy at Times in the afternoon. Snow accumulation of 1 to 2 Inches. Highs in the mid 30s. North Winds around 10 Mph shifting to the east in the afternoon.

Tonight 9 Dec Ketchikan Gateway Borough

Rain early in the Evening, then rain and snow in the evening. Chance of snow late. Rain may be heavy at Times in the evening. Snow accumulation of 1 to 3 Inches. Lows in the lower 20s. East Winds 10 to 15 Mph shifting to the north 10 to 20 Mph late.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Island Temperature Statistics

December Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 7 December, 2025

    36 °F

  • Average December

    44 °F

  • Highest 1 December, 2025

    48 °F

Climate (2021–Present)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

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  • Average Low 2021–2025

    43.6 °F

  • Average 2021–2025

    47.1 °F

  • Average High 2021–2025

    50.8 °F
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