San Fernando Island Weather Forecast
- 48
- 56
Partly Sunny
- 51
- 55
Rain
- 50
- 57
Rain
- 48
- 56
Rain Showers
- 48
- 56
Rain Showers
- 48
- 56
Rain Showers
- 48
- 55
Rain Showers Likely
Today 25 Sep Prince of Wales Island
Rain Showers likely. Highs in the mid 50s.
Tonight 25 Sep Prince of Wales Island
Increasing Clouds. Slight chance of drizzle late. Lows in the mid 40s. Light Winds.
San Fernando Island Temperature Statistics
September Temperature
Ketchikan, Ketchikan International Airport (64.6 miles)
Lowest 18 September, 2026
46 °FAverage September
56.5 °FHighest 3 September, 2026
73 °F
Climate (2021–2026)
Ketchikan, Ketchikan International Airport (64.6 miles)
Average Low 2021–2026
41.8 °FAverage 2021–2026
46.9 °FAverage High 2021–2026
51.9 °F