Coon Island Weather Forecast
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Rain Showers
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Rain Showers
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Rain Showers
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Rain Showers
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Rain Showers
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Rain Showers Likely
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Chance Rain Showers
Today 18 Sep Ketchikan Gateway Borough
Cloudy. Slight chance of rain Showers early in the morning. Highs in the upper 50s. Southeast Winds 10 to 15 Mph.
Tonight 18 Sep Ketchikan Gateway Borough
Patchy fog in the evening. Rain Showers. Near steady temperature in the mid 50s. Southeast Winds 10 to 15 Mph.
Coon Island Temperature Statistics
September Temperature
Ketchikan, Ketchikan International Airport (10.6 miles)
Lowest 10 September, 2026
46.9 °FAverage September
58 °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