Measurements:
°C
°F
CURRENT WEATHER
20:44
Ketchikan
42°F
NW 0 mph
Feels like: 42°F
Precip: 20%
World Resorts USA Ketchikan Weather

7 Day Weather Forecast

10.26
mon
DAY
44°F
S 6 mph
precip
17%
NIGHT
40°F
NW 4 mph
precip
27%
10.27
tue
DAY
42°F
S 12 mph
precip
10%
NIGHT
36°F
S 10 mph
precip
8%
10.28
wed
DAY
44°F
S 13 mph
precip
5%
NIGHT
34°F
S 6 mph
precip
6%
10.29
thu
DAY
42°F
S 3 mph
precip
2%
NIGHT
34°F
S 6 mph
precip
6%
10.30
fri
DAY
42°F
E 1 mph
precip
3%
NIGHT
32°F
W 5 mph
precip
17%
10.31
sat
DAY
42°F
NW 11 mph
precip
20%
NIGHT
42°F
NW 12 mph
precip
74%
11.01
sun
DAY
44°F
NW 11 mph
precip
68%
NIGHT
44°F
NW 9 mph
precip
73%

Ketchikan Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Ketchikan was 10.6°F. The maximum and minimum values were 9.4°F and 11.5°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 8 days
The most windy months:
November 12 mph
January 11 mph
December 11 mph
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