Ketchikan Weather Forecast

    • 54
    • 72

    Rain

    • 51
    • 62

    Rain

    • 53
    • 62

    Rain

    • 54
    • 61

    Rain

    • 52
    • 63

    Rain

    • 50
    • 61

    Rain

Today 16 Sep Ketchikan Gateway Borough

Warmer. Decreasing Clouds. Chance of rain. Highs in the upper 60s. Southeast Winds 10 to 15 Mph.

Tonight 16 Sep Ketchikan Gateway Borough

Windy, rain. Lows in the mid 50s. Southeast Winds 10 to 20 Mph increasing to 20 to 30 Mph late. Gusts up to 45 Mph.

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Ketchikan Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (3.1 miles)

  • Lowest 12 September, 2025

    48 °F

  • Average September

    58.6 °F

  • Highest 1 September, 2025

    72 °F

Climate (2020–Present)

Ketchikan, Ketchikan International Airport (3.1 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    52 °F
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