Catherine Island Weather Forecast

    • 50
    • 57

    Rain

    • 51
    • 54

    Rain

    • 53
    • 56

    Rain

    • 50
    • 56

    Rain

    • 49
    • 56

    Rain

    • 48
    • 54

    Rain

    • 47
    • 55

    Rain

Today 17 Sep City and Borough of Sitka

Windy, rain. Rain may be heavy at Times in the morning. Highs in the upper 50s. Southeast Winds 25 to 35 Mph with Gusts to around 60 Mph shifting to the south 20 to 30 Mph in the afternoon.

Tonight 17 Sep City and Borough of Sitka

Windy, rain. Lows around 50. Southeast Winds 15 to 20 Mph increasing to 20 to 30 Mph late.

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Catherine Island Temperature Statistics

September Temperature

Angoon (14.9 miles)

  • Lowest 14 September, 2025

    44.1 °F

  • Average September

    55.1 °F

  • Highest 1 September, 2025

    66 °F

Climate (2020–Present)

Angoon (14.9 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    47.6 °F
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