Cat Island Weather Forecast

    • 55
    • 60

    Rain Likely

    • 54
    • 59

    Slight Chance Rain

    • 55
    • 67

    Mostly Sunny

    • 55
    • 66

    Mostly Sunny

    • 55
    • 63

    Partly Sunny

    • 56
    • 63

    Partly Sunny

Today 9 Sep Ketchikan Gateway Borough

Rain Showers early in the Morning, then chance of rain Showers. Locally heavy rainfall possible in the morning. Highs in the lower 60s. Southeast Winds 10 to 20 Mph.

Tonight 9 Sep Ketchikan Gateway Borough

Decreasing Clouds. Rain Showers likely early in the Evening, then chance of rain Showers in the evening. Patchy fog late. Lows in the lower 50s. West Winds around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Island Temperature Statistics

September Temperature

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    59 °F

  • Highest 3 September, 2026

    69.1 °F

Climate (2021–2026)

Metlakatla, Metlakatla Seaplane Base (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    51.4 °F
Get WillyWeather+ to remove ads