Coon Island Weather Forecast
- 53
- 72
Partly Sunny
- 54
- 64
Patchy Fog
- 53
- 62
Mostly Cloudy
- 55
- 61
Rain
- 54
- 58
Rain
- 53
- 61
Chance Rain
- 54
- 65
Slight Chance Rain
Today 5 Sep Ketchikan Gateway Borough
Mostly clear. Highs around 70. North Winds around 10 Mph shifting to the west in the afternoon.
Tonight 5 Sep Ketchikan Gateway Borough
Partly cloudy. Patchy fog late. Lows in the mid 50s. Northwest Winds around 10 Mph.
Coon Island Temperature Statistics
September Temperature
Ketchikan, Ketchikan International Airport (10.6 miles)
Lowest 2 September, 2026
52 °FAverage September
58.6 °FHighest 3 September, 2026
73 °F
Climate (2021–2026)
Ketchikan, Ketchikan International Airport (10.6 miles)
Average Low 2021–2026
41.8 °FAverage 2021–2026
46.9 °FAverage High 2021–2026
51.9 °F