Ketchikan Weather Forecast

    • 54
    • 63

    Rain Showers Likely

    • 53
    • 62

    Rain

    • 53
    • 58

    Rain

    • 53
    • 58

    Rain

    • 51
    • 59

    Rain Showers

    • 50
    • 59

    Rain Showers Likely

Today 16 Sep Ketchikan Gateway Borough

Mostly cloudy. Slight chance of rain Showers in the afternoon. Highs in the lower 60s. West Winds around 10 Mph shifting to the south in the afternoon.

Tonight 16 Sep Ketchikan Gateway Borough

Mostly cloudy. Chance of rain Showers in the Evening, then rain Showers likely late. Lows in the mid 50s. Light Winds.

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  • Temperature Real-Time

Ketchikan Temperature Statistics

September Temperature

Ketchikan, Ketchikan International Airport (3.1 miles)

  • Lowest 10 September, 2026

    46.9 °F

  • Average September

    58.6 °F

  • Highest 3 September, 2026

    73 °F

Climate (2021–2026)

Ketchikan, Ketchikan International Airport (3.1 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    51.9 °F
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