Measurements:
°C
°F
CURRENT WEATHER
21:02
Ketchikan
50°F
NW 7 mph
Feels like: 46°F
Precip: 27%
World Resorts USA Ketchikan Weather

7 Day Weather Forecast

10.05
mon
DAY
56°F
N 11 mph
precip
9%
NIGHT
50°F
NW 9 mph
precip
58%
10.06
tue
DAY
54°F
N 12 mph
precip
53%
NIGHT
46°F
W 6 mph
precip
31%
10.07
wed
DAY
52°F
NW 4 mph
precip
38%
NIGHT
48°F
SW 3 mph
precip
29%
10.08
thu
DAY
48°F
SW 2 mph
precip
48%
NIGHT
46°F
S 12 mph
precip
34%
10.09
fri
DAY
50°F
SE 9 mph
precip
13%
NIGHT
42°F
S 7 mph
precip
12%
10.10
sat
DAY
50°F
SE 10 mph
precip
4%
NIGHT
42°F
NW 6 mph
precip
9%
10.11
sun
DAY
48°F
NW 6 mph
precip
14%
NIGHT
42°F
W 5 mph
precip
79%

Ketchikan Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Ketchikan was 11.3°F. The maximum and minimum values were 10.7°F and 11.6°F respectively.

Ketchikan on the Weather Map

Best Time to Visit Ketchikan
The most sunny months:
August 9 days
July 7 days
April 6 days
The most warm months:
August 61.8 °F
July 60.4 °F
June 56.5 °F
Warmest sea temperature:
August 61.1 °F
July 60.0 °F
September 56.6 °F
The most cold months:
December 34.5 °F
January 34.8 °F
February 35.4 °F
The most rainy months:
November 10 days
January 9 days
October 9 days
The most windy months:
November 12 mph
January 11 mph
December 11 mph
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