S
M
T
W
T
F
S
27
56°
49°
28
53°
48°
29
54°
49°
30
53°
48°
1
55°
44°
2
53°
43°
3
52°
42°
4
52°
43°
5
51°
45°
6
52°
44°
7
52°
41°
8
53°
41°
9
52°
45°
10
52°
39°
11
51°
40°
12
52°
42°
13
50°
40°
14
49°
40°
15
48°
39°
16
48°
41°
17
49°
40°
18
48°
39°
19
47°
40°
20
50°
37°
21
50°
39°
22
46°
38°
23
47°
40°
24
48°
37°
25
46°
36°
26
Hist. Avg.
48°
37°
27
Hist. Avg.
48°
37°
28
Hist. Avg.
47°
37°
29
Hist. Avg.
47°
37°
30
Hist. Avg.
47°
36°
31
Hist. Avg.
46°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Ketchikan
Ketchikan's October 2026 forecast shows daily high temperatures ranging from 46° to 56°, with overnight lows between 36° and 49°. The average high for October is 51° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Ketchikan. See also: November | December | January.
